イズボルスク要塞はイズボルスク(プスコフ地方)の石の要塞です。元徳3年（1330年） - ストックフォト＆画像

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330

Temnushka (Dark) tower of fortress of Izborsk. Russia

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330

Fortress Koporye in Leningrad Oblast, Russia, located about 100 km west of St. Petersburg

Fortress Koporye in Leningrad Oblast, Russia, located about 100 km west of St. Petersburg

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330

Pskov is a city in northwestern Russia and the administrative center of Pskov Oblast, located about 20 kilometers east from the Estonian border, on the Velikaya River.

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330

Pskov is a city in northwestern Russia and the administrative center of Pskov Oblast, located about 20 kilometers east from the Estonian border, on the Velikaya River.

Pskov is a city in northwestern Russia and the administrative center of Pskov Oblast, located about 20 kilometers east from the Estonian border, on the Velikaya River.

Pskov is a city in northwestern Russia and the administrative center of Pskov Oblast, located about 20 kilometers east from the Estonian border, on the Velikaya River.

Izborsk fortress is a stone fortress in the city of Izborsk (Pskov region). It was built in 1330