There are no written Soviet records, no logs, no official drilling reports, and no confirmation that they'd lit it intentionally – but there's no disputing a ~100-foot-deep (~30-m), 226-foot-wide (69-m) pit of relentless fiery fury that's been burning for around 50 years in the Karakum Desert of…

there’s no disputing a ~100-foot-deep (~30-m), 226-foot-wide (69-m) pit of relentless fiery fury that’s been burning for around 50 years in the Karakum Desert of Turkmenistan