Thousands of people attend the ancestor worship ceremony during the Qingming Festival, or Tomb Sweeping Day, at AsiaWorld-Expo in Hong Kong, April 5, 2018. (ROY LIU / CHINA DAILY)
Tam Yiu-chung, second right, a member of the Standing Committee of the National People's Congress, attend the ancestor worship ceremony during the Qingming Festival at AsiaWorld-Expo in Hong Kong, April 5, 2018. (ROY LIU / CHINA DAILY)