Environmental sanitation workers from southwest China's Chongqing Municipality have collected 78,000 tonnes of garbage from the Yangtze River near the Three Gorges Dam, ensuring the dam's safe and effective operation after its water level was raised. More than 68,000 workers in nearly 21,000 boats retrieved the garbage. In late October, the water level in the dam was lifted to its designed maximum of 175 meters, allowing the dam to play its full flood control, power generation, navigation ...

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