underground fire

The underground fire burned for 59 years in China
Seven or eight flames often rise from a 4 square meter plot of land in a village in Changshu District, Chongqing City, China, National Geographic yesterday reported.
The town of fire could suddenly fire at the feet in America
In Centralia, people are always ready to face the sudden road cracking, revealing the hell hole below and burning flames.
Uncovering the underground fire 5,500 years without pause
Wingen Mountain in Australia is nurturing a non-stop 5,500-year-old underground fire.