Cities

 DE-1756115 received from Yvonne

TR-117209 received from Nuri

Hagia Sophia Museum was built at AC 537 as an Orthadox Church. When Ottoman Empire conquered the city, Sophia changed into a mosque until 1931. And it's a museum since 1935.

 

 PL-429088 received from Dominika

Motlawa river

 CZ-178643

Karluv Most

DE-1226760 received from Björn