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6.6Expedition Everest
Expedition Everest
Just inside Everest's notorious death zone, a team of climate scientists who specialize in extreme weather weigh their next move.
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7.2Flooded Tombs of the Nile
Flooded Tombs of the Nile
Outside the Sudanese capital Khartoum, the remains of an ancient city stand in the desert. Are you ready to dive beneath the pyramids of Sudan's black pharaohs?