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Home / reddit / World News / Giant new 50-metre deep 'crater' opens up in Arctic tundra, believed to be caused by the build up of methane gas in pockets of thawing permafrost under the surface

Giant new 50-metre deep 'crater' opens up in Arctic tundra, believed to be caused by the build up of methane gas in pockets of thawing permafrost under the surface

August 29, 2020 ,

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