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 on August 29, 2020 Get link Facebook X Pinterest Email Other Apps submitted by /u/RonDunE [link] [comments] from World News https://ift.tt/3luIrqS via IFTTT Comments
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