[Rockhounds] Siberia's enormous hole in the ground is getting bigger

[Kreigh Tomaszewski]

A large crater in Siberia is getting bigger due to the way permafrost
interacts with the environment.

It is helping scientists understand more about past climates and how the
permafrost is reacting to a warming world.

https://www.bbc.co.uk/reel/video/p08lmh4z/siberia-s-enormous-hole-in-the-ground-is-getting-bigger