view of rumelihisarı, with the fatih sultan mehmet bridge in the background, istanbul, turkey

ancient architecture bosphorus bosporus bridge building castle citadel city clouds constantinople empire europe fatih fort fortification fortified fortress halil heritage hisar hisari historic historical istanbul landmark landscape medieval mehmed mehmet old ottoman pasha rumeli rumelian rumelihisari sariyer sea sultan tourism tourist tower travel turkey turkish turkiye view wall water waterfront