A flag-raising ceremony is held in Hong Kong Polytechnic University, south China's Hong Kong, Oct. 1, 2021. (Xinhua)
Hong Kong holds various activities to celebrate National Day
Source: Xinhua| 2021-10-01 22:30:20|Editor: huaxia
A flag-raising ceremony is held in Hong Kong Polytechnic University, south China's Hong Kong, Oct. 1, 2021. (Xinhua)