Editor's Note:
Lava flows from the southeast crater of Mt Etna on April 20 in Catania, Italy. Photos: Salvatore Allegra/Anadolu Agency/Getty Images/ CFP
Lava flows from the southeast crater of Mt Etna on April 20 in Catania, Italy. Photo: Salvatore Allegra/Anadolu Agency/Getty Images/ CFP figcaption >