https://joy.videvo.net/videvo_files/video/free/2019-08/large_watermarked/190614_02_HellMouth_UHD_13_preview.mp4 Natural Gas Pocket Burning Giant flames at the bottom of Door To Hell Darvaza Gas Crater in Karakum, Turkmenistan. burningcraterdarvazaderwezedesertdoor to hellenergyfireflameflaminggas cratergas pocketgates to hellkarakummethanemineminingnatural gaspitturkmenistan