Close-up of national and municipal flags on poles over medieval stone Saint George Castle. Drone camera flying backward away from landmark. Lisbon, capital of Portugal.
Torre de la Calahorra tower - fortified gate in the historic centre of Córdoba, Spain. The edifice is of Islamic origin.
Aerial view of the national flag of Macedonia located inside the castle, flag is the symbol of the country
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Sharp barbed wire against blue sky and sunlight background, control fence along concrete wall, perimeter protection from criminals
Aerial view of medieval castle with inner and outer courtyard
Alba Iulia Fortress panorama
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Aerial around view on fortress Oreshek on island in Neva river near Shlisselburg town, Leningrad region, Russia, 4k
