Mount Etna experienced its largest eruption in several years on December 3 and 4, according to Italy’s National Institute of Geophysics and Volcanology (INGV), spewing lava hundreds of feet into the air. The eruptions grew in intensity on December 4, according to a press release from the INGV. This video, from Turi Caggegi, shows the volcano erupting on December 4. Credit: YouTube/Turi Caggegi