A nature documentary produced by the China National Geographic Integrated Media Center. Approaching the Medog Forest, a rare primeval forest in China, generations of biologists risked death to sneak into this secret land. Here, you will feel the huge altitude difference. In half a day, you can travel from the alpine ice and snow belt to the tropical seasonal rainforest. In subsequent films, we will continue to go into unknown corners and explore the mysteries of nature.
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