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When I was at the German Origami Convention 2016 I met Dirk Eisner, (AKA Eisfold), he was one the special guests.
He has been given several workshops and I followed the one learning how to make the "Di-excavated octahedron".
This origami octahedron is excavated by two tetrahedra, which go to the inside.
The folding of the modules is not difficult, but to ensemble them together is something different and it was quite a challenge for me! But I succeeded there and also could refold it at home, as you can see ;-))
Here is another view of the same model.
Folded from 18 rectangles 1:2.
If you want to read more about this model, please follow the
this link, it brings you straight to Dirk's photo of this "Di-excavated octahedron".
Great Spotted Woodpecker - Dendrocopus Major
The great spotted woodpecker occurs in all types of woodlands and is catholic in its diet, being capable of extracting seeds from pine cones, insect larvae from inside trees or eggs and chicks of other birds from their nests. It breeds in holes excavated in living or dead trees, unlined apart from wood chips. The typical clutch is four to six glossy white eggs. Both parents incubate the eggs, feed the chicks and keep the nest clean. When the young fledge they are fed by the adults for about ten days, each parent taking responsibility for feeding part of the brood.
The great spotted woodpecker occurs in Eurasia from the British Isles to Japan, and in North Africa from Morocco to Tunisia, and it is absent only from those areas too cold or dry to have suitable woodland habitat. It is found in a wide variety of woodlands, broadleaf, coniferous or mixed, and in modified habitats like parks, gardens and olive groves. It occurs from sea-level to the tree line, up to 2,000 m (6,600 ft) in Europe, 2,200 m (7,200 ft) in Morocco and 2,500 m (8,200 ft) in Central Asia.
The great spotted woodpecker became extinct in the island of Ireland in the seventeenth century, due to deforestation, but the island was naturally recolonised by this species, with the first proven nesting in County Down in 2007. Its expansion in range is continuing, with breeding proven or suspected in at least 10 counties by 2013, with the main concentration in Down and County Wicklow. Genetic evidence shows the birds to be of British, rather than Scandinavian, ancestry, with the populations in Northern Ireland and the Irish Republic having separate origins. The great spotted woodpecker was also found to have been nesting in the Isle of Man from 2009.
Population:
UK breeding:
140,000 pairs
When I was at the German Origami Convention 2016 I met Dirk Eisner, (AKA Eisfold), he was one the special guests.
He has been given several workshops and I followed the one learning how to make the "Di-excavated octahedron".
The folding of the modules is not difficult, but to ensemble them together is something different and it was quite a challenge. But it worked out well for all the participants and I even could refold it at home, as you can see ;-))
Here is another view of the same origami model.
Folded from 18 rectangles 1:2.
If you want to read more about this model, please follow the
this link, it brings you straight to Dirk's photo of this "Di-excavated octahedron".
Black woodpecker in front of the excavated tree hole nest.
Not my most beautiful photo but I would like to show this giant among the woodpeckers on Flickr
This is the road leading to Bijodaira (美女平) at the western end of the lava plateau. The road is only for authorised vehicles.
Tateyama Kurobe Alpine Route is closed from December to mid-April. Snow removal vehicles start excavating the road in early April by using GPS, and the road becomes passable in the second or third week of the month.
The snow wall in the photo is estimated to be 11-12 m. The deepest part of the road on this day was reported to be 17 m.
Excavated at Thebes, Egypt. New Kingdom, 18th dynasty, 14th century BC. Granodiorite. Tokyo National Museum, Tokyo, Japan.
This stadium, constructed entirely in white marble, was built first time in 330BC, it was destroyed, but built again by the Romans in 144AD. It was used for 300 years and then abandoned.
Finally it was excavated and refurbished up to the first Olympic games in 1896
EM110512
Petra : Royal Tombs-Silk Tomb
This is quite beautiful and relevant for the vortices of colors of the rock in which it is excavated .
UNESCO word Heritage Site from 1985 .
Questa è alquanto bella e rilevante per i vortici di colori della roccia nella quale è scavata .
Patrimonio dell'Umanità dell'UNESCO dal 1985 .
"The Northern Rough-winged Swallow's plain brown back and dusky throat doesn't stand out, allowing it to sometimes go unnoticed in flocks of brighter swallow species." This was the only one I saw in a large group, called a "flight" or "gulp," of Violet-green Swallows. "It nests in burrows excavated by other birds and mammals, and spends the winters in Mexico and Central America. The Northern Rough-winged Swallow gets its name from minuscule hooks on the leading edge of their primary feathers. Running a finger along the edge of the feather from base to the tip feels like touching a rough file. Swallows are good fliers and that goes double for the Northern Rough-winged Swallow, which unlike most birds also molts some of its feathers while flying. It takes them around 100 days to finish growing new feathers." Information from the All About Birds website, www.allaboutbirds.org, © Cornell Lab of Ornithology.
This partially excavated castro is located next to the Camino de Santiago and it is estimated that it was occupied from the 5th century BC until more or less the 1st century AD.
It sits on a gentle hill with a panoramic view of the right bank of the river Miño, but as it is not a steep terrain, it was necessary to build a series of defensive elements that made this settlement unique.
An intricate system of ditches, walls, embankments and palisades surrounds the entrance to the settlement, where the houses have straight, regular walls and are grouped into neighborhoods.
Originally excavated for the California Midwinter International Exposition of 1894, it underwent a significant redesign after the fair in order to be repurposed as a venue for public gatherings centered on music performances.[1]
The focal point of the plaza, Spreckels Temple of Music, also called the "Bandshell", was a gift to the city from sugar magnate Claus Spreckels.[2] The structure was built in 1899, in advance of the Music Concourse's completion in 1900. It was severely damaged in the 1906 and 1989 earthquakes, has repeatedly undergone extensive renovation, and has served as a stage for numerous performers over the years ranging from Luciano Pavarotti to the Grateful Dead. It has for decades been the venue for annual celebrations of the anniversary of the Polish Constitution of May 3, 1791.
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This Male Pileated Woodpecker was busy for over a month hollowing out it's nest cavity in our back yard. The pair had a successful nest and we were able to watch the whole nest cycle from nest excavating to observing the three littles as they were fed from the opening. It was a spring to remember! There is a pair setting up shop this spring in the same tree! (new hole)
From the 2010 Archives
Queen Hatshepsut was the fifth pharaoh of the Eighteenth Dynasty of Egypt. She was the second historically confirmed female pharaoh. Hatshepsut came to the throne of Egypt in 1478 BC. Hatshepsut, daughter of King Thutmose I, became queen when she married her half-brother, Thutmose II, around the age of 12.
- Wikipedia
The Temple of Hatshepsut is a mortuary temple built during the reign of Pharaoh Hatshepsut of the Eighteenth Dynasty of Egypt. Located opposite the city of Luxor, it is considered to be a masterpiece of ancient architecture.
Construction of the terraced temple took place between Hatshepsut's seventh and twentieth regnal year, during which building plans were repeatedly modified.
The state of the temple has suffered over time. Two decades after Hatshepsut's death, under the direction of Thutmose III, references to her rule were obliterated. The reasons remain a mystery.
In the Amarna Period, the temple was incurred upon again when Akhenaten ordered the images of Egyptian gods, particularly those of Amun, to be erased. These damages were repaired subsequently under Tutankhamun, Horemheb and Ramesses II.
The temple resurfaces in the records of the modern era in 1737 with Richard Pococke, a British traveller, who visited the site. Several visitations followed, though serious excavation was not conducted until the 1850s and 60s under Auguste Mariette. The temple was fully excavated between 1893 and 1906 during an expedition of the Egypt Exploration Fund.
(Canon PowerShot SD880, 1/800 @ f/5.6, ISO 80)
Galah (Eolophus roseicapilla) juvenile
Digging for grass seeds for lunch.
A random selection from the archives.
The Red-headed Woodpecker is a gorgeous woodpecker bird with a bright red head from which it got its name. This North American species, with its boldly-patterned plumage, is popular among the bird-watchers and is widely spread almost all across the country, and is known in different names like ‘flag bird’ and ‘patriotic bird’. Once a very common bird in the country’s eastern part, this species has been showing long-term declines in a moderately rapid rate, which is primarily because of their degradation and loss of habitat in recent decades.
The red-headed woodpecker was a favorite to celebrated ornithologists like Alexander Wilson and Audubon.
These birds are ‘monomorphic’, which means, the males and females look so similar that, they are practically indistinguishable even when taken in the hand. To know the gender, you actually need to run a DNA test or a dissection of the bird.
This species is the only woodpecker in the eastern part that has a completely red head.
In 1996, the RHW was featured on a United States Postal Service 2-cent stamp.
These are one of the only four woodpecker species that cover their reserved foods with bark or wood. They would even store live stocks like grasshoppers wedged so tightly in a crevice that it is impossible for the insect to escape.
This species of woodpeckers is relatively small compared to others in its family.
The presence of white patches on its wings makes them especially noticeable when they are flying.
In this species, the annual adult survivorship is estimated to be around 62%.
This bird can dig holes that can measure up to 20 to 60 centimeters in depth.
A red-headed woodpecker takes 2-3 weeks or more to excavate one single hole.
I found this one along Joe Overstreet Road in Osceola County, Florida.
The road cleared of snow leads to Renge Hotsprings that is a trailhead to climb Mt. Shirouma-dake (白馬岳 2,932m). Yellow vehicles parked by the road is for snow clearing.
The red overpass is for National Road No. 148 that is the arterial road connecting the Japan Sea coast with Hakuba and Azumino Valley. Many sections of the road are in tunnels due to the scarcity of flat terrains and to spare the efforts for clearing snow. The overpass in the photo connects two road tunnels. Long road tunnels are a horror for cyclists like me.
Hiraiwa (平岩) is a small community of Itoigawa city with a few hotsprings inns. Mountains behind the settlement belong to Otari village of Nagano prefecture. There is a gold mine in the mountains.
The watermill Lippholthausen (Schloßmühle Lippholthausen) in the Lippholthausen district of Lünen is a grain mill built in 1760 near the Lippe river. The watermill of the former Buddenburg noble house is a late Baroque half-timbered building, not far from the former Buddenburg Castle.
From the 14th century until 1902, the Buddenburg house was owned by the Frydag family of Buddenburg. The Frydags belong to the very old Westphalian nobles. The family is mentioned for the first time in 1198.
Around 1535, the noble family built a watermill south of Brunnenstraße and opposite Schlossallee. At the former river Henebecke a large millpond was excavated.
Afterwards, the runs of the creek Henebecke, Sadbecke, Wilbecke and Seltenbecke were diverted so that they flowed directly into the new millpond and fed it with water.
After the mill had been completed and put into operation, the farmers in the area of the thirlage "Buddenburg Mahlzwang" had to come to the castle mill to have their grain ground.
Nothing remains of the mill built at the beginning of the 16th century. However, the current mill building already has a considerable number of years on the hump: It was built in 1760 by Wessel Giesbert von Frydag.
In 1903, Haus Buddenburg and the mill were inherited by the Rüxleben family. The latter finally sold the property to the city of Lünen in 1913. Until 1930 grain was ground in the castle mill.
The old mill pond above the castle mill is no longer present, it was filled in 1938 during the construction of the Lippewerk. A loss for trippers, they could sail around on the pond with paddle boats.
Until the end of the 1970s, the House of Buddenburg, which also included the castle mill, stood in the district of Lippholthausen, now part of Lünen.
The Mühlenfreunde Lippholthausen e. V. restored and maintains the mill, which currently serves as an excursion restaurant and can also be used for weddings. It was placed under monument protection in 1985.
Pairs excavate long horizontal tunnels into riverbanks using their feet and bills. These tunnels typically average 2 meters but can reach record lengths of over 8 meters.
Clutch: Usually consists of 3 to 5 eggs, which are incubated by both parents for approximately 26 days.
Giant Kingfishers typically hunt from a stationary perch overhanging water, making precise dives to catch prey. For larger prey like crabs, it will repeatedly beat them against a branch to remove shells and pincers before swallowing.
Giant Kingfishers are solitary and highly territorial, though they are monogamous breeders.
Giant Kingfisher (megaceryle maxima) adult female Senegal_1860
Having excavated the old mortar between the stones of this ruined building, these Sand Martins have a secure nesting location, albeit it's next to a busy cafe and car park. The birds aren't bothered at all and have been there for many years
'Blue Magic'... An artist from Multan doing 'KashiKari' on a lamp made from camel skin.These unique vases and lamps are typical to a certain region in Pakistan and are artistically hand crafted from camel skin using an art form called "kashi kari" The production is limited due to the intricate nature of art and the scarcity of artists.The floral and geometrical patterns and the white glazes embellished with rich shades of turquoise and deep blues are the hallmark of Multani ceramics, and one continues to be impressed by the beauty of these creations. Not only can these be used as aesthetically appealing utilitarian items, but they can enhance the decor of any interior, and the ceramic tiles continue to be used for the embellishment of architecture.Kashi Kari is method of hand painting ceramic products, in particular tiles and pottery, also known as blue pottery. This is a craft that is esteemed universally for its superb beauty and intricate craftsmanship. A huge theme of the work is the use of blue and turquoise paint.
Kashi Kari is a centuries old craft. Some of the oldest pottery excavated from archeological sites has been dated to 900 AD. It is believed to have originated from Kashghar, China (thus the name) and influenced by Persian culture owing to the extensive use of blue color and certain motifs
Broad Meadow Brook Wildlife Sanctuary, Worcester, Massachusetts
In subsequent visits there were no signs of anyone occupying this nest hole.
Calakmul (auch Kalakmul) war während der klassischen Periode eine mächtige Stadt der Maya. Zusammen mit El Mirador und Tikal ist Calakmul eine der größten jemals entdeckten Maya-Städte. Calakmul befindet sich rund 300 km südöstlich der Stadt Campeche (Mexiko) im gleichnamigen Bundesstaat.
Calakmul erstreckte sich auf einer Fläche von ca. 30 Quadratkilometern und besaß über 100 Kolossalbauten; es sind insgesamt mehr als 5000 Gebäude bekannt. Dominierend sind hier vor allem die sogenannten „Strukturen“ I und II. Letztere besitzt eine Höhe von ca. 45 Metern. Der Großteil von Calakmul ist jedoch bisher weder ausgegraben noch eingehender erforscht worden. Über die Einwohnerzahlen lassen sich nur Spekulationen anstellen. Für den Stadtkern etwa wird eine Bevölkerung von etwa 50.000 Menschen angenommen.
Calakmul (also Kalakmul) was a powerful Mayan city during the classical period. Along with El Mirador and Tikal, Calakmul is one of the largest Mayan cities ever discovered. Calakmul is located around 300 km southeast of the city of Campeche (Mexico) in the state of the same name.
Calakmul spread over an area of approximately 30 square kilometers and had over 100 colossal buildings; a total of more than 5000 buildings are known. The so-called "structures" I and II dominate here. The latter has a height of approx. 45 meters. However, most of Calakmul has not been excavated or explored in depth. Only speculations can be made about the population. A population of around 50,000 people is assumed for the city center.
Although the Beewolf (Philanthus triangulum) is regarded as a pest on the Continent due to the damage it can do to Honeybee apiaries I still get excited when I see one! We are very lucky to have a well established colony in Christchurch Park in Ipswich, and yesterday evening it was great to watch them busy excavating new burrows!
Wikipedia: The orange-breasted trogon (Harpactes oreskios) is a species of bird in the family Trogonidae. It is a colorful, sedentary species that inhabits the lower canopy of the lowlands and forest of southern China, southeast Asia, Borneo, Sumatra and Java.
The species is insectivorous and hunts from a perch. Adults breed between January and May, excavating their nest into dead tree stumps. Both parents cooperate in raising the chicks.
Conservation status: Least Concern
Bignor Roman Villa is a large Roman courtyard villa which has been excavated and put on public display on the Bignor estate in the English county of West Sussex. It is well known for its high quality mosaic floors, which are some of the most complete and intricate in the country.
Click and drag the image to look in different directions.
A Northern Flicker forcefully ejects a load of wood chips from a nest cavity it was excavating in Calgary, Alberta. This entertaining behaviour was witnessed in mid-April, which is early spring in that part of Canada. This species is increasingly evident year-round at this latitude, a sign of climate change. This bird is an intergrade male, with red on the malar stripes and the nape.
Excavated in 1791, this was/is the beginning of the Monkland Canal, built to cary coal into Glasgow.
The Barrancas (eng: Ravines) de Castrejón and Calaña (Toledo, Spain, Europe) represent a singular example of the incision landscape of the Tagus River, which runs along most of its layout.
It is a set of gorges and gullies that has developed at the foot of an important escarpment excavated by the river in detrital materials of tertiary age that fill its sedimentary basin.
They present a very high degree of evolution with narrow and deep throats and very pointed interfluves.
Geologically, the area is framed between the Tertiary Sedimentary Basin of Madrid and the Crystal Plateau of Toledo.
The materials that can be found correspond to the continental sedimentary fill of the central basin of the Tagus depression, which is composed of a single monotonous series of Miocene material, specifically vindobonian; Its character is eminently detritic, with occasional levels of calcareous or evaporitic origin.
The reddish tones of the spectacular escarpment, which in some areas saves unevenness of more than one hundred and twenty meters, contrast with the waters of the Tagus and confer the whole landscape value. (Source: Wikipedia)
(Three pictures compiled with Lightroom and Aurora HDR 2019 plugin)
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Las Barrancas (eng: Barrancos) de Castrejón y Calaña (Toledo, España, Europa) representan un ejemplo singular del paisaje de incisión del río Tajo, que recorre la mayor parte de su trazado.
Es un conjunto de desfiladeros y cárcavas que se ha desarrollado al pie de un importante escarpe excavado por el río en materiales detríticos de edad terciaria que rellenan su cuenca sedimentaria.
Presentan un grado de evolución muy alto con gargantas estrechas y profundas e interfluvios muy puntiagudos.
Geológicamente, el área se enmarca entre la Cuenca Sedimentaria Terciaria de Madrid y la Meseta de Cristal de Toledo.
Los materiales que se pueden encontrar corresponden al relleno sedimentario continental de la cuenca central de la depresión del Tajo, que está compuesto por una única serie monótona de material mioceno, concretamente vindoboniano; Su carácter es eminentemente detrítico, con niveles ocasionales de origen calcáreo o evaporítico.
Los tonos rojizos del espectacular escarpe, que en algunas zonas salva desniveles de más de ciento veinte metros, contrastan con las aguas del Tajo y confieren al conjunto valor paisajístico. (Fuente: Wikipedia)
(Tres imágenes compiladas con el complemento Lightroom y Aurora HDR 2019)
The remains of an isolated Dartmoor village below Hound Tor were our final pit stop on our walk last Saturday. We have not visited this fascinating historic site before and were absolutely delighted. The site contains the excavated foundations of 4 longhouses from the 13th century and associated barns. The atmosphere is quite magical with lovely views into the open Dartmoor landscape and the location of the settlement shielded by Hound Tor on one side and Greator Rocks on the other. This patch of land has a rich history - it was used as early as the Neolithic age, has been used during the Bronze Age for farming and Romans let their cattle graze there during the summer as well. The village was possibly deserted in the late 14th century - most likely because of famine and the plague. I took this photo just before we went back up to Hound Tor to finish our circular walk - as the sun came out for a brief moment to shine on those historic stone walls.
Taken together with the previous 2 photos I uploaded this was another brilliant day hiking on Dartmoor ~ 7km in total.
A photo taken 500m upstream from Nihonbashi. This section of the Expressway is to be removed by 2040.
Tokiwabashi (常盤橋) is the name of a bridge over the Furukawa / Nihonbashi-gawa / Sotobori. It is located in an immediate vicinity of Oote-mon by Uchibori, the inner moat. The old Hirakawa used to flow into Tokyo Bay near Yuurakucho, and the section of the Nihonbashi-gawa downstream from here is a canal excavated during the Edo Period.
Wooden gate structures were demolished in 1873, and a stone bridge replaced the old wooden one. A new stone bridge was constructed after the earthquake in 1923. It was damaged by the earthquake in 2011 and repaired for pedestrian use in 2021.
The statue half-hidden by foliage in the left is of Shibusawa Ei'chi (渋沢栄一 1840 - 1931). He helped the conservation of the stone base and the bridge.
He came from a peasant family in present-day Saitama prefecture, was promoted to Samurai by the Tokugawa shogunate, worked as a bureaucrat under the Meiji government, and turned to an entrepreneur establishing banks, factories, railway companies etc. while advocating the importance of education and social welfare. He is regarded the father of capitalism in Japan.
His portrait is now printed on the 10,000 yen bill.
As for personal life, he had a wife and several mistresses and fathered more than a dozen of children. He was criticised for letting his mistresses to live in the same residence as his wife.
Some people insist that the Shibusawa bill should not be used as a wedding gift but instead the old Fukuzawa Yukichi bill who was a monogamy (^_^; He was not a saint.
Gila Woodpeckers pretty much exclusively nest in saguaro cacti. They peck a hole and then excavate a cavity inside the cactus. After a bit, a “scab” forms inside the cactus and there is a hard-walled, boot-shaped cavity inside the cactus, in which the woodpecker builds its nest. This guy would go down into the hole and emerge with a beak full of cactus innards. He'd drop some out the hole and then shake his head violently back and forth sending even more junk flying. You can see some of it stuck to the needles of the cactus. It was interesting to observe.
Good workers are hard to find nowadays! Better call Mr. Pileatus if you need woodwork done efficiently and in timely manner!
EXCAVATES TIMBER BY DRILLING WITH ITS BILL, but this one is seen drilling the shell of a cob nut, by placing it in a tree hollow, and enjoys the nut, have seen it do this before at the same place, a joy to see, and Tolerates me a bit, because it does not want to leave its meal.
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Great to have you visit, hope your weekend is going well, love to read any comments , so stay safe and God bless you all my dear friends.
Tomx
Seeking forgiveness for a few more shots of this pair of birds.
The male here with mud on his bill almost certainly from excavating a nest.
Seven Sisters (six remaining) Copt Hill, Houghton le Spring,
County Durham. Older than Stonehenge, the Seven Sisters Round Barrow, Copt Hill, Houghton-le-Spring is a Scheduled Ancient Monument. It was excavated by Canon William Greenwell and Mr Thomas William Usherwood Robinson, gentleman and local landowner, in September 1877. They found several cremated bodies, probably Neolithic, some pots and a small number of flints, possibly Bronze Age, and evidence that the barrow was used for further burials in the Bronze Age. An urn that they found is now in the British Museum