Geologists taking mineral samples on Gran Cratere (The Great Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

travel destination photography horizontal colour image geologist mineral gran cratere the great crater volcano island aeolian islands unesco world heritage site sicily italy mediterranean europe day landscape scenics physical geography extreme terrain rock rock formation geology working research two people standing side view three quarter length unrecognisable person steam men outdoors colour color image color outside travel destinations travel topography scenery scenic scene scenes unesco world heritage sites unesco world heritage site world heritage sites european