Secrets Underground

1:00 PM to 2:00 PM
Tuesday 7 May
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America's Buried Massacre

Season 1 Episode 4 of 8

Rob Nelson searches for a mass grave that could harbour a dark secret. Plus, a giant lake seems to be disappearing, and Rob set off to find out why

Secrets Underground airs on Discovery Science at 1:00 PM, Tuesday 7 May. (Subtitles.)
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