Gaping 'sinkholes' opening up on the Arctic seafloor

Giant "sinkholes" — one of which could devour an entire city block holding six-story buildings — are appearing along the Arctic seafloor.

Mar 17, 2022 - 21:00
Gaping 'sinkholes' opening up on the Arctic seafloor
Giant "sinkholes" — one of which could devour an entire city block holding six-story buildings — are appearing along the Arctic seafloor.
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