Courtyard of a medieval castle erected around 1348 . Nicholas Copernicus himself was the most famous of his inhabitants, who resided in it in the years 1516 - 1519 and 1520 - 1521 . City of Olsztyn ( Poland 2018' )

Lens - Nikkor 18 - 105 mm f/3.5 - 5.6G ED VR with Hoya UV Fusion Antistatic Hmc Filter .

Done