The whitewashed city wall, including a defensive tower, in the white city (Citta Bianca), Ostuni, Apulia, Italy, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside day nobody no one no one travel destination travel destinations travel landmark landmarks famous well known well known tourism whitewashed wall city wall tower white colour citta bianca ostuni apulia italy italian europe european low angle view low angle stone fort forts fortified fortification fortress fortresses citadel building exterior building buildings architecture architectural white town medieval old town tourist destination