article_snippet: Mount Vesuvius, which is part of the Campi Flegrei super volcano, still overshadows the city of Naples (above)
article_snippet: The huge crater left by this super-volcano, known as Campi Flegrei, can still be seen on the coastline of Italy on the opposite side of Naples to Mount Vesuvius.
article_snippet: The Campi Flegrei caldera close to Napes, Italy hides a supervolcano that erupted around 40,000 years ago .