Amazing New Siberian Mammoth Remains May Lead to Cloning Breakthrough | Ancient Origins
https://www.ancient-origins.net/news-history-archaeology/siberian-mammoth-remains-0014074Climate change may be behind the massive craters forming in Siberia - CNN
https://www.cnn.com/2021/02/17/world/siberia-craters-arctic-climate-change-scn/index.htmlExplosion Opens New ‘Pit to Hell’ Crater in Russian Arctic - The Moscow Times
https://www.themoscowtimes.com/2020/09/07/explosion-opens-new-pit-to-hell-crater-in-russian-arctic-a71368Giant new 50-metre deep crater opens up in Arctic tundra
https://siberiantimes.com/other/others/news/giant-new-50-metre-deep-crater-opens-up-in-arctic-tundra/Remains of a 10ft tall Woolly mammoth discovered in a Siberian lake 10,000 years after it died | Daily Mail Online
https://www.dailymail.co.uk/sciencetech/article-8588473/Remains-10ft-tall-Woolly-mammoth-discovered-Siberian-lake-10-000-years-died.html