Summit craters, Mount Etna, UNESCO World Heritage Site, Catania, Sicily, Italy, Europe

travel destination photography horizontal colour image international landmark unesco famous place outdoors mount etna unesco world heritage site catania sicily italy europe crater blue scenics landscape physical geography non urban scene day snow winter cold temperature full length mountain natural landmark extreme terrain warm clothing ski skiing men women togetherness leisure lifestyle three people holding ski pole backpack adventure vacation cross country skiing mountain peak summit standing place of interest colour color image color outside tourist destination travel landmark topography scenery scenic scene scenes picturesque unesco world heritage sites world heritage site world heritage sites european vacations holiday holidays