kzan tower and defense walls of kirillo-belozersky monastery.

ancient architecture belozersky castle cathedral chapel christianity church citadel cloister convent cross cyrilbelozersky defend defense dome fort fortification fortified fortress gate grass heritage history kirill kirillobelozersky kirillov kremlin kzan lake landmark landscape medieval monastery monument museum nature north old orthodox religion russia russian sky stone summer temple tower travel vologda wall walls water