The Blue Grotto is a sea cave on the coast of the island of Capri, southern Italy. Sunlight, passing through an underwater cavity and shining through the seawater, creates a blue reflection that illuminates the cavern.
Dublin, capital of the Republic of Ireland, is on Ireland’s east coast at the mouth of the River Liffey.
Naqsh-e Jahan Square, is a square situated at the center of Isfahan city, Iran. Constructed between 1598 and 1629, it is now an important historical site, and one of UNESCO's World Heritage Sites. It is 160 metres wide by 560 metres long.