Summit craters of 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 clear sky scenics landscape physical geography non urban scene day snow winter cold temperature mountain natural landmark extreme terrain summit rock medium group of people men women side view full length incidental people place of interest colour color image color outside tourist destination travel landmark background people people in the background group topography scenery scenic scene scenes picturesque unesco world heritage sites world heritage site world heritage sites european