Tourists visit the Zhanqiao Pier in Qingdao, a coastal city in east China's Shandong Province, April 30, 2016. On the first day of the Labor Day Holiday, many tourists flocked to Qingdao. (Xinhua/Yin Mo)
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Tourists visit the Zhanqiao Pier in Qingdao, a coastal city in east China's Shandong Province, April 30, 2016. On the first day of the Labor Day Holiday, many tourists flocked to Qingdao. (Xinhua/Yin Mo)
