Mysterious Siberian sinkholes, perfectly round in shape, have fascinated scientists and locals alike. While scientists attribute them to the area's gas-rich nature, the nomadic Nenets believe they are portals to another world. The sinkholes have also revealed hidden mammoth bones, with locals holding superstitions about their removal. According to tradition, a deer must be sacrificed in place of the bones. These enigmatic phenomena add to the allure of the Russian Yamal peninsula.
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The Permafrost Mystery
