Crateri Silvestri view, Etna, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, Europe

mount etna sicily italy volcanic landscape mediterranean europe lava craters hiking nature geology outdoor tourism scenery adventure travel panorama earth science flora fauna geological formations elevation mountain range vibrant colors rocky terrain summit protected area volcanic activity natural beauty sky exploration cultural heritage geological history unique ecosystems scenic view trekking geology enthusiasts volcanic rocks climate biodiversity serene panoramic view crateri silvestri etna unesco