Tourists go sightseeing on the glass skywalk at Hulutao Village in Shanting District in Zaozhuang City, east China's Shandong Province, April 29, 2018. People in China spend their Labor Day holiday in various ways. (Xinhua/Li Zongxian)
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Tourists go sightseeing on the glass skywalk at Hulutao Village in Shanting District in Zaozhuang City, east China's Shandong Province, April 29, 2018. People in China spend their Labor Day holiday in various ways. (Xinhua/Li Zongxian)
