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 two people side view three quarter length men white rock international landmark outdoors extreme terrain rock formation geology working research unrecognisable person steam crouching looking down protection gas mask overalls colour color image color outside travel destinations travel unesco world heritage sites unesco world heritage site world heritage sites european