A tourist draws picture at a resort in Jilin, northeast China's Jilin Province, May 1, 2021. Saturday marks the first day of China's five-day May Day holiday. (Xinhua/Zhang Nan)

Children play in an adventure playground at a tourist attraction in Nanning, south China's Guangxi Zhuang Autonomous Region, May 1, 2021. Saturday marks the first day of China's five-day May Day holiday. (Xinhua/Zhou Hua)

Tourists pose for photos at the former residence of late Chinese military leader Zhu De in Kunming, southwest China's Yunnan Province, May 1, 2021. Saturday marks the first day of China's five-day May Day holiday. (Xinhua/Jiang Wenyao)