The Darvaza gas crater in Turkmenistan is thought to have been burning continuously since its discovery in 1971. The crater measures 69 m (226 ft) across and 30 m (98 ft) deep.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...gas_crater.jpg
Previously:
https://www.homemadetools.net/forum/...961#post187250
https://www.homemadetools.net/forum/...337#post131236
https://www.homemadetools.net/forum/...971#post164389
https://www.homemadetools.net/forum/...527#post128047
https://www.homemadetools.net/forum/...969#post187287
