EAST CHINA -- Dramatic video shows several people experiencing the force of nature in China.
People were watching the waves roll in along a river in East China when they were suddenly knocked off their feet by a giant rogue wave.
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They appear to have been taken totally by surprise.
Other people rushed in to help pull them to safety.
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Fortunately, no one was seriously hurt in the frightening incident.
Experts say the strong waves on the river are being caused by an astronomical tide and typhoons.