Activities in honour of revolutionary martyrs held across China ahead of Qingming Festival

People present flowers to monuments at the Xi'an Martyrs' Cemetery in Xi'an, northwest China's Shaanxi Province, April 3, 2019. Activities in honour of revolutionary martyrs are held across China ahead of the Qingming Festival, or Tomb-sweeping Day, which falls on April 5 this year. (Xinhua/Li Yibo)