Giant hole appears at 'the end of the world' in Siberia, The Independent

Scientists are being sent to Yamal to discover what caused the 80m crater

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Giant hole appears in Siberia: Huge crater emerges in 'the end of

Minerals, Free Full-Text

The end of the world'? Mysterious big hole emerged in northern

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Large crater appears at 'the end of the world', Earth

These GIANT holes are appearing across Siberia. But why? - Russia

How global warming could turn Siberia into a giant crater 'time bomb

Siberia is an empty land filled with contradictions

Huge Coastal Sinkhole That Could Suck People Into Ocean Appears Overnight

Siberia's permafrost melt is causing swamps, lakes, making land difficult to live on - ABC News

Impossibly Big Black Hole Was Probably Impossible After All

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Researchers: Warming responsible for Siberia's mysterious hole

Mystery Behind Giant Hole in Siberia Clearer as 2nd Discovered