See How the Moon Causes Huge Waves on this River | National Geographic

In a phenomenon called a tidal bore, huge waves rush like a tsunami up the Qiantang River in China.
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Near the city of Hangzhou, the river abruptly widens into a bay. An incoming tide gets funneled up the river, concentrating its force at the bottleneck. Especially pronounced waves come with a full moon, like the one that marks China’s Mid-Autumn Festival, when thousands of people gather to see this “Silver Dragon,” the world’s largest tidal bore.

Read more about this fascinating phenomenon: http://news.nationalgeographic.com/2017/10/tidal-bores-qiantang-china-rivers-environment-spd/

See How the Moon Causes Huge Waves on this River | National Geographic

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