S1 E1: Episode 1 Preview | Extreme Wonders

Visit extreme locales, including Mount Everest’s Khumbu Icefall, where sherpas face many dangers; the Grand Canyon, where conservationists try to ensure a condor chick’s survival; and the slopes of Mount Kilimanjaro, where farmers battle with elephants.
Aired: 11/4/2015 | 0:00:30
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