DSCF7460-7464 Porta Nigra

The Porta Nigra (Latin for "Black Gate") is a former city gate and roman-known landmark of the city of Trier / Germany.

 

Photostacking made from 4 shots (Camera mounted on a tripod) and reduced opacity of each level to reduce noise.

 

Layer 4 = 25%

Layer 3 = 33%

Layer 1 = 50%

Layer 0 = 100% and then flattend down to one layer.

 

Done