The Batagaika Crater Mystery – Russia, 1960s–Present

Deep in Siberia's remote wilderness, an ever-expanding gash in the permafrost has puzzled scientists and locals alike. This colossal crater, born in the 1960s and growing relentlessly, raises urgent questions about climate change and unlocks secrets of the Earth’s ancient past. The mystery endures.

https://www.amazon.com/dp/B0DJJSB635