Finding the Source of the Nile River
23:20
Finding Africa's Lost River Valley
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Why Is This Lake PINK?
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Theory and Practice of Magic Circles Roundtable feat. Dr. Stephen Skinner
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Why Nobody Knows the World’s Longest River
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The Geography of Vegetables
19:03
What La Niña Will do to Earth in 2025
42:56
Earth's Lost Islands
50:28