Suwon, South Korea: Impressive fortress is like a mini Great Wall

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Koblenz, Germany. 30th Apr, 2020. Ehrenbreitstein Fortress, the largest part of the major Koblenz fortress, is situated high above the Rhine with a view of the city and the Deutsches Eck at

Candia (Iraklion), a Venetian fortress in Greece

13.05.2018., Drnis , Croatia - The fortress Gradina is located in Drnis, at an elevation of 344 m above sea level, above the canyon of the river Cikola. Built on the site

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My above ground city Controlcastles : r/dwarffortress

Kristiansten Fortress, Trondheim