Ключевые слова: ancient, ancient architecture, ancient castle, asia, blue sky, brick tower, building, building exterior, business district, byzantium, city, classical, commercial street, constantinople, diaolou, eastern roman empire, eurasia, europe, galata tower, guta, high tower, historic buildings, islam, istanbul, landmark, looking up, mediterranean country, middle east countries, multistorey building, ottoman empire, outdoor, sky, stone, tourism, tourist area, tourist attraction, turkey, vacation destination, vertical composition, vertical version, vicissitude,