What's the longest-burning fire in the world?

The oldest known burning fire in the world was likely ignited by lightning at least 5,500 years ago in Australia.

This Hellish Desert Pit Has Been On Fire for More Than 50 Years, Travel

Can Fire Burn Forever?

TIL the world's longest burning fire is 6000 years old : r/todayilearned

One year since Australia's devastating wildfires, anger grows at climate change 'inaction

Eternal flame - Wikipedia

The 5 Deadliest Wildfires in America

Eternal flame - Wikipedia

Discover the Longest Burning Fire in the World (Over 6,000 Years!) - A-Z Animals

The World's First Wildfire Tornado Blazed a Path of Destruction Through Australia, Science

Factcheck: How global warming has increased US wildfires - Carbon Brief

20 Things You Didn't Know About Fire