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Why the world’s longest burning fire can burn 5,500 years?

Fire is formed from 3 main elements: fuel, oxygen and heat source. Based on this theory, Tina Bell – associate professor of fire at the University of Sydney (Australia) said that if these three things are never exhausted, a fire can remain forever. Converging all three factors above has made the special fire located below the Wingen mountain – New South Wales to become the longest burning fire in the world, with a record age estimated at least 5,500 years.

It is known that this fire is suspected by researchers to be caused by lightning strikes in the coal mine area. With such favorable conditions, each year the fire erodes into the mine about 1 meter. Up to now, the fire is estimated to be about 30 meters underground and shows no signs of stopping.

According to a 2009 study published by the US Geological Survey, uncontrollable fires like these release large amounts of harmful substances, polluting the air and costing up to $1 billion. to fix.

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