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[ti:潮涌海岸 49] |
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[ar:英语听力] |
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[al:] |
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When a typhoon strikes, |
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one of the best places to be is Hong Kong harbour with its sheltered anchorage. |
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A centre of international trade, |
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the city is famous for its jumble of skyscrapers and its bustling commercial center. |
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But there's a side to Hong Kong that's less well known. |
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Behind the urban sprawl lies a swathe of wetlands which include the Mai Po Nature Reserve. |
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Managed principally for the benefit of migrating birds, |
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the reserve maintains a series of traditional prawn farms, known as gei wais, |
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and their adjoining mangroves and mudflats. |
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Every two weeks from November to March, |
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one of the gei wais is drained by opening up the sluice gates. |