Health
10 Shockingly Dangerous Sinkholes Around The World
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Bimmah
This sinkhole in Oman is roughly 30 meters deep and contains crystal clear water at the bottom. Many tourists have come here for a leisurely swim, and as such a concrete stairway was built into the sinkhole to allow visitors easier access to the waters.
Door To Hell
Known as the Door To Hell, this sinkhole has a diameter of 70 meters and a depth of 30 meters. It is not the size of this sinkhole in Turkmenistan that makes it so unique. It was found that natural gas was fed into this crater through cracks in the earth, and due to the destructive nature of the methane gas, geologists have set it on fire, to convert it to carbon dioxide and carbon monoxide instead, and it has been burning ever since,.
