the remains of the clock tower with a coat of arms in the ruins of the smederevo fortress, standing on the banks of the danube riv

ages ancient architecture arms banks blue bridge building castle city clock coat construction court culture danube defence detail europe famous fort fortification fortress heritage historic historical knight landmark landscape medieval military moat monument national old outdoors passage protection remains riv river ruin ruins serbia sightseeing sky smederevo staircase standing steps stone strength tourism tower town travel view wall water