the ancient stone walls and the corner tower of the korela kexholm fortress on the banks of the vuoksa river

ancient stone walls corner tower korela kexholm fortress banks vuoksa river wall bastion waterside architecture building citadel corela culture defensive deserted exterior fortification granite historic landmark landscape medieval shore reflection water forest summer day cloud sky village countryside nature travel priozersk karelian isthmus leningrad oblast region russia russian vuoksen kakisalmen kakisalmi are main attraction