A view of “Volcanic Vortex Rings” which rise hundreds of meters above the rim that is blown out from the Etna volcano that is active again in Catania, Italy on April 07, 2024. Etna volcano is back in activity and for the past few days it has been putting on a show with a very special phenomenon, considered rare, huge rings of glowing gas called Volcanic Vortex Rings. (Photo by Salvatore Allegra/Anadolu via Getty Images)
