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Earth's Great Rivers II
三条大河横跨三大洲——赞比西河在非洲、多瑙河在欧洲、育空河在北美，用"河流"串联起不同大陆上的自然与人文故事，格局很大。
From elephants and wildebeest to Victoria Falls, the largest curtain of water on earth. This is the story of the Zambezi, Africa’s wildest river.
The extraordinary story of the Danube, the world’s most international river. It reveals magical wonders, from crystal-clear waterfalls to baby turtles.
The Yukon is a river of wild extremes. Home to bears, moose and huge salmon, the riches of North America’s frozen river have sustained people for centuries.
