Amazing Underwater River Cenote Angelita in Mexico
sndskater88
Published
06/04/2010
It's a "river" of Hydrogen Sulphide. It is a colorless, very poisonous, flammable gas with the characteristic foul odor of rotten eggs. It often results from the bacterial breakdown of organic matter in65279 the absence of oxygen, such as in swamps and sewers anaerobic digestion. It also occurs in volcanic gases, natural gas, and some well waters.
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