Here is the Wikipedia article about coal seam fires, apparently there are over 1000 active fires. https://en.m.wikipedia.org/wiki/Coal-seam_fire https://en.m.w

Here is the Wikipedia article about coal seam fires, apparently there are over 1000 active fires. https://en.m.wikipedia.org/wiki/Coal-seam_fire https://en.m.wikipedia.org/wiki/Coal-seam_fire