A vessel passes the five-level ship lock of the Three Gorges in Yichang, central China's Hubei Province, May 19, 2014. The Three Gorges have lowered its water level to meet with the upcoming flood season, which allows vessels to shorten travel time by 40 minutes as they pass the five-level ship lock of the Three Gorges. (Xinhua/Zheng Jiayu)
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