The blue dome of Church of Agios Nikolaos in Oia, overlooking the caldera, Santorini, The Cyclades, Aegean Sea, Greek Islands, Greece, Europe

photography horizontal color image travel destinations travel outdoors day no people greece europe agios nikolaos church church christianity place of worship religion cross oia santorini cyclades islands blue low angle view clear sky copy space dome architecture travel destination tourist destination tourist destinations outdoor outside nobody no one no person domes architectural daytime churches places of worship spirituality