自然旅游   

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Bird’s nest soup is an ancient food. People in China have been eating this soup for over four hundred years! The Chinese call it “yan wo.” “Yan” is the kind of bird that makes the nest. And “wo” means...

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Weiss: These marine mammals they’re harassing don’t even eat the same thing they do, so it’s not like it’s a competition thing. They’re just kind of being dicks. Leong: In the Salish Sea in Washingto...

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Leong: The game is simple: while our scientists won’t be taking sides, they’ll help us untangle the orcas’ behavioral track record to evaluate the true nature of these creatures and how we relate to t...

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Lichtman: I’m going to introduce you to them. We’re hunting for the most extreme birds to ever live. Welcome to part one of a four-part Fascination on the real big birds. I want you to meet one of ou...

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Back in 1846, whaling was one of the most booming industries in the whole world. It was the fifth largest sector in the United States economy, raking in a cool $10 million. But somewhere along...

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SPEAKER: Coral reefs are one of the most spectacular ecosystems found in nature. Hosts to numerous biological communities, they are important havens of biodiversity. And a valua...

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[MUSIC PLAYING] ANTHONY BARNOSKY: Species do not last forever. You can think of species a lot like you think of a human lifetime. They have a beginning and they have an end. SPEA...

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A famous building in New York City is turning 100 years old this month.A year-long celebration is planned for Grand Central Terminal,which is usually called Grand Central station.Christopher Cruise te...