The Batagaika Crater, located in northeastern Siberia, Russia, is the largest permafrost crater in the world. A kilometer long, 100 meters deep and growing, it has been sinking due to thawing permafrost since the 1960s. Its rim is retreating by as much as 30 meters a year. pic.twitter.com/9lymqD3Apw

— Daily Overview (@DOverview) July 18, 2024