istanbul, turkey - 1 april, 2017: panorama of cityscape of golden horn with ancient and modern buildings

istanbul architecture blue building cityscape landmark modern panorama sea travel turkey turkish tower asia boat bosporus bridge constantinople culture famous ottoman panoramic ship sky skyline tourism tourist urban water sunset ancient city golden background old summer view black coast day historic horn karakoy white galata galatabridge galataistanbul galatatower galatatoweristanbul bosphorus