An old man reads a book at the local library in Jiaxing City, east China’s Zhejiang province, during the May Day holidays on May 1, 2016.[Photo/Xinhua]

Tourists enjoy themselves on the beach in Qingdao City, east China’s Shandong province, during the May Day holidays on May 1, 2016.[Photo/Xinhua]

A boat sails on the Daning River at the scenic area of “Small Three Gorges” in Wushen county, southwest China’s Chongqing municipality, during the May Day holidays on May 1, 2016.[Photo/Xinhua]

A couple pose for wedding photos in front of the Potala Palace in Lhasa, capital of southwest China’s Tibet autonomous region, during the May Day holidays on May 1, 2016.[Photo/Xinhua]

Tourists paddle boats at Xuanwu Lake Park in Nanjing, capital of east China’s Jiangsu province, during the May Day holidays on May 1, 2016.[Photo/Xinhua]

Tourists take boats on the West Lake in Hangzhou, capital of east China’s Zhejiang province, during the May Day holidays on May 1, 2016.[Photo/Xinhua]

Tourists enjoy views at the Huashan Mountain in northwest China’s Shaanxi province, during the May Day holidays on May 1, 2016. [Photo/Xinhua]

Tourists visit a tulip garden in Lhasa, capital of southwest China’s Tibet autonomous region, during the May Day holidays on May 1, 2016.[Photo/Xinhua]