40 years ago Mount St. Helens

Researcher inside a blue ice cave on Mount St. Helens

https://www.youtube.com/watch?v=6o0fFp6z4aE

https://www.nationalgeographic.com/science/2020/05/see-the-eerie-ice-caves-carved-by-mount-st-helens-fiery-breath/

Wednesday May 20th 2020