People 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)
