People queue up to visit the Memorial Hall of the Victims in Nanjing Massacre by Japanese Invaders during the Qingming Holiday, in Nanjing, capital of east China's Jiangsu Province, April 3, 2017. Tomb-Sweeping Day, or Qingming, falls in early April, when Chinese people commemorate their deceased loved ones by visiting tombs. (Xinhua/Ji Chunpeng)
