the sea of marmara, the bosphorus bridge and the asian shore from the walls of topkapi

ancient area asia asian beach beautiful bosphorus bridge city clean coast constantinople eminnyu europe european fortifications fortress golden horn istanbul kadkoy landmark landscape marmara nature nova observation old ortakoy palace plodaschka ruins salty sea side sightseeing sltanahmet theodosius timing topkapi tour town turkey turquoise view walking wall walls