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Odd Earth Objects: Unusual sights and sounds of Earth

Odd Earth Objects: Unusual sights and sounds of Earth . Strange Happenings: Killer Lakes. In the middle of the night on August 26, 1986, Some 1,800 people and thousands of animals living in the valley below Lake Nyos, Cameroon mysteriously died in their sleep.

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Strange event - PowerPoint PPT Presentation

Odd Earth Objects: Unusual sights and sounds of Earth