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Tourists watch a video played on a dome in Haichang Whale Shark Ocean Park in Yantai City, east China's Shandong Province, on May 19, 2019, China Tourism Day. (Xinhua/Tang Ke)
Tourists watch a video played on a dome in Haichang Whale Shark Ocean Park in Yantai City, east China's Shandong Province, on May 19, 2019, China Tourism Day. (Xinhua/Tang Ke)