Mount Etna in Catania, Italy, one of Europe's most active ancient volcanoes, was photographed during major volcanic activity on February 21, 2021. It's the fourth eruption within a week. /CFP

Plumes of ash and smoke belched several kilometers into the sky. Lava was spewed, billowing down the mountain, creating an "inferno" scene. /CFP

Although it seems dramatic, experts say the current level of volcanic activities cast no danger to the locals. /CFP