埃特纳火山上空的荚状云
2019 August 19 Lenticular Clouds over Mount Etna Image Credit & Copyright: Dario Giannobile Explanation: What’s happening above that volcano? Although Mount Etna is seen erupting, the clouds are not related to the eruption. They are lenticular clouds formed when moist air is forced upwards near a mountain or volcano. The surreal scene was captured ...