A gala in celebration of the 71st anniversary of the founding of the People's Republic of China is held in Hong Kong, south China, Sept. 30, 2020. (Photos: Xinhua)

A gala in celebration of the 71st anniversary of the founding of the People's Republic of China is held in Hong Kong, south China, Sept. 30, 2020.

Children perform during a gala in celebration of the 71st anniversary of the founding of the People's Republic of China in Hong Kong, south China, Sept. 30, 2020.

Dancers perform during a gala in celebration of the 71st anniversary of the founding of the People's Republic of China in Hong Kong, south China, Sept. 30, 2020.

A child performs during a gala in celebration of the 71st anniversary of the founding of the People's Republic of China in Hong Kong, south China, Sept. 30, 2020.

A row of Chinese national flags and a banner marking the 71st anniversary of the founding of the People's Republic of China are pictured in Wan Chai district of Hong Kong, south China, Sept. 30, 2020.

A row of Chinese national flags and a banner marking the 71st anniversary of the founding of the People's Republic of China are pictured in Wan Chai district of Hong Kong, south China, Sept. 30, 2020.

An electronic screen displaying contents celebrating the 71st anniversary of the founding of the People's Republic of China is pictured in Hong Kong, south China, Sept. 30, 2020.

A banner celebrating the 71st anniversary of the founding of the People's Republic of China is pictured in Hong Kong, south China, Sept. 30, 2020.

A row of Chinese national flags and a banner marking the 71st anniversary of the founding of the People's Republic of China are pictured in Wan Chai district of Hong Kong, south China, Sept. 30, 2020.