Luo Huining, director of the Liaison Office of the Central People's Government in the Hong Kong Special Administrative Region (HKSAR), addresses the opening ceremony of celebrating activities for the 23rd anniversary of Hong Kong's return to the motherland in Hong Kong Convention and Exhibition Center in Hong Kong, south China, July 1, 2020. China's Hong Kong celebrated Wednesday the 23rd anniversary of its return to the motherland. (Xinhua/Li Gang)