It's been burning for 50 years.
https://metro.co.uk/2024/02/03/darvaza-gas-crater-door-hell-burning-50-years-20197956/?utm_source=dlvr.it&utm_medium=blogger
https://metro.co.uk/2024/02/03/darvaza-gas-crater-door-hell-burning-50-years-20197956/?utm_source=dlvr.it&utm_medium=blogger