Tourists visit Dr. Sun Yat-sen's Mausoleum in Nanjing, capital of east China's Jiangsu Province, April 6, 2018, during the three-day Qingming Festival holiday. (Xinhua/Liu Jianhua)
Chinese people on trip during Qingming Festival holiday
Tourists enjoy the view at Hukou Waterfall scenic spot along the Yellow River in Jixian County of north China's Shanxi Province, April 6, 2018, during the three-day Qingming Festival holiday.