large, circular red brick fortress situated on the edge of a body of water, likely a moat

large, circular red brick fortress situated on the edge of a body of water, likely a moat. The fortress has a crenellated parapet along its upper edge with several small, barred windows. The walls of the fortress are made of red brick and are punctuated by small, dark windows. There are also some smaller, rounded structures attached to the main circular building, also made of brick and stone. The base of the fortress is reinforced with large, grey stones. The water in front of the fortress is dark and reflects the structure. Green trees and foliage are visible in the background to the left and right of the fortress, and the sky is a clear, bright blue. The fortress appears to be the "Fort V" (also known as Fort Friedrich Wilhelm III or Fort Königsberg) located in Kaliningrad, Russia. No people or actions are depicted in the image.