CLASSIC: Is there really a lost civilization in the Grand Canyon?
Stuff They Don't Want You To Know
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The Cost of Communication Back in the Day
We received several messages from you and your fellow listeners who asked us to look into the stories of a lost civilization in the Grand Canyon. And one thing that was profound to us is we deal with a lot of hoaxes just in the nature of our research. So we looked into this because we had received several emails and correspondencies. We'd like to think we have an okay nose for determining what's fake or determining what's real.
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