view from rumeli feneri castle in sariyer district of istanbul, turkey.

rumelifeneri bosphorus district istanbul tourists visiting farthest entrance military republic sariyer century located rumeli feneri castle turkey ridges arched period local point black view 17th door used post sea ancient architecture beautiful black bosphorus building castle century city coast country defense famous feneri fort fortress history istanbul landmark medieval nature northern old ottoman outdoor outdoors people province rocks ruins rumeli rumelifeneri sariyer scenic sea shore stone summer tourism travel turkey turkish vacation view viewpoint village water period post door