Novgorod citadel
Old tower
Old tower
Novgorod citadel
Novgorod citadel
Tower
Observation station
Steel ladder
Auschwitz Birkenau concentration camp.
borderland
Castle ruins
Castle ruins
Guide the ships
The Rear Lighthouse
Nizhny novgorod kremlin
Control Tower
Great Wall: view through a double window.
Great Wall: view through battlements.
Great Wall: flag over the wall.
El Morro Fort Tower
El Morro Canon
Classic Lighthouse
Nobska lighthouse
Charles Bridge Tower
Prague Roofscape