Environment
See the world’s largest tidal bore on the Qiantang river in China
Known by locals as the Silver Dragon, this tidal bore can reach 4 metres tall and travel at speeds of up to 10 metres per second
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Known by locals as the Silver Dragon, this tidal bore can reach 4 metres tall and travel at speeds of up to 10 metres per second
Manatees or sea cows usually inhabit coastal waters, but rumour has it that some are hiding out in Upper Guinea. A scientific expedition goes in search of them