Tourists sightseeing at Topkapi Palace, UNESCO World Heritage Site, Istanbul, Turkey, Europe

tourist tourists holiday maker holiday makers on holiday sightseeing topkapi palace unesco unesco world heritage site world heritage site istanbul turkey europe european photography colour colour image color color image outdoors outside day large group of people travel destination travel destinations travel building exterior building buildings architecture architectural palace tourist destination portico ottoman 16th century tiles 17th century decorative classical ornate colonnade arch arches arched pillar marble tourism history historical historic heritage vertical vertical image