1Lake Nyos, Cameroon

Lake Nyos in Cameroon is infamous for its deadly past. This crater lake sits on a volcanic plain, and beneath its waters lies a massive reservoir of carbon dioxide (CO2). In 1986, a natural disaster occurred when a sudden release of CO2 created a deadly cloud that suffocated over 1,700 people and livestock in nearby villages.
Efforts have been made to reduce the gas levels in the lake, but it remains a ticking time bomb. Anyone near it must stay alert to the potential dangers lurking below.

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