Interior of St. Mark's Cathedral (Basilica di San Marco), Venice, UNESCO World Heritage Site, Veneto Province, Italy, Europe

photography colour colour image color color image square image square indoors inside travel travel destination travel destinations nobody no one no one tourist destination tradition traditional church churches cathedral decorative ornate detail saint mark's basilica st mark's cathedral patriarchal cathedral basilica of saint mark piazza san marco venice unesco unesco world heritage site world heritage site veneto italy italian europe european building exterior building buildings building interior building interiors interior interiors architecture architectural religious building roman catholic history historical historic heritage city cities basilica nave diminishing perspective vanishing point perspective