Today, pipes are used to siphon carbon dioxide-rich water from the bottom of LakeNyos.
今天，用管道从尼奥斯湖底抽取含有丰富二氧化碳的湖水。
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In the worst recent case, 1, 700 people died after a 1986 earthquake released 1.2 million metric tons of CO2 from the depths of LakeNyos in Cameroon, the International Energy Agency said.
That is what happened in Cameroon in 1986, when naturally occurring carbon dioxide trapped at the bottom of LakeNyos erupted and killed 1, 746 people in nearby villages.