Oreshek fortress is situated on the small Orekhovy Island in the River Neva's outflow from Lake Ladoga, Leningrad region, Russia - Stock Photo & Image

Oreshek fortress is situated on the small Orekhovy Island in the River Neva's outflow from Lake Ladoga, Leningrad region, Russia

Oreshek fortress is situated on the small Orekhovy Island in the River Neva's outflow from Lake Ladoga, Leningrad region, Russia

Oreshek fortress is situated on the small Orekhovy Island in the River Neva's outflow from Lake Ladoga, Leningrad region, Russia

Oreshek fortress is situated on the small Orekhovy Island in the River Neva's outflow from Lake Ladoga, Leningrad region, Russia

Klimentovskaya Tower Old Ladoga Fortress. Leningrad Region, Staraya Ladoga

Oreshek fortress is situated on the small Orekhovy Island in the River Neva's outflow from Lake Ladoga, Leningrad region, Russia

Veliky Novgorod, Russia-June 8,2016:Novgorod Kremlin stands on the left bank of the Volkhov River. The first reference to fortifications on the site dates to 1044, with additional construction taking place in 1116.

Medieval castle and city of Carcassonne, Languedoc - Roussillon, France

Oreshek fortress is situated on the small Orekhovy Island in the River Neva's outflow from Lake Ladoga, Leningrad region, Russia

Medieval castle of Carcassonne, Languedoc - Roussillon province, France

Medieval castle of Carcassonne, Languedoc - Roussillon, France

Medieval castle of Carcassonne, Languedoc - Roussillon, France

Medieval castle of Carcassonne, Languedoc - Roussillon, France

Medieval castle of Carcassonne, Languedoc - Roussillon province, France

Medieval castle of Carcassonne, Languedoc - Roussillon province, France

Medieval castle of Carcassonne, Languedoc - Roussillon province, France