The flag-raising ceremony is held at the Golden Bauhinia Square in Wan Chai, Hong Kong, in celebration of the 72nd anniversary of the founding of the People’s Republic of China, Oct 1, 2021. (CALVIN NG / CHINA DAILY)

The flag-raising ceremony is held at the Golden Bauhinia Square in Wan Chai, Hong Kong, in celebration of the 72nd anniversary of the founding of the People’s Republic of China, Oct 1, 2021. (CALVIN NG / CHINA DAILY)

The police band puts on a performance during a flag-raising ceremony at the Golden Bauhinia Square in Wan Chai, Hong Kong, in celebration of the 72nd anniversary of the founding of the People’s Republic of China, Oct 1, 2021. (CALVIN NG / CHINA DAILY)

Hong Kong Chief Executive Carrie Lam Cheng Yuet-ngor arrives at the Golden Bauhinia Square in Wan Chai, Hong Kong, to attend a flag-raising ceremony in celebration of the 72nd anniversary of the founding of the People’s Republic of China, Oct 1, 2021. (CALVIN NG / CHINA DAILY)

Hong Kong Chief Executive Carrie Lam Cheng Yuet-ngor and other guests on the stage raise their glasses at a reception held at the Grand Hall of Hong Kong Convention and Exhibition Centre, Wan Chai, Hong Kong, in celebration of the 72nd anniversary of the founding of the People's Republic of China, Oct 1, 2021. (CALVIN NG/CHINA DAILY)

Performers put on a drum show during a reception held at the Grand Hall of Hong Kong Convention and Exhibition Centre, Wan Chai, Hong Kong, in celebration of the 72nd anniversary of the founding of the People's Republic of China, Oct 1, 2021. (CALVIN NG/CHINA DAILY)

Two helicopters of Hong Kong's Government Flying Service carrying the Chinese national flag (right) and the Hong Kong Special Administrative Region's flag flew over Victoria Harbour, Hong Kong, during a fly-by to celebrate the 72nd National Day, Oct 1, 2021. (CALVIN NG/CHINA DAILY)

The national flag is raised at the Liaison Office of the Central People's Government in the Hong Kong Special Administrative Region in celebration of the 72nd anniversary of the founding of the People’s Republic of China, Oct 1, 2021. (EDMOND TANG / CHINA DAILY)

Luo Huining (front, center), director of the Liaison Office of the Central People’s Government in the Hong Kong Special Administrative Region, and other officials of the office attend a flag-raising ceremony held at the office in celebration of the 72nd anniversary of the founding of the People’s Republic of China, Oct 1, 2021. (EDMOND TANG / CHINA DAILY)

A flag-raising ceremony is held at the Liaison Office of the Central People's Government in the Hong Kong Special Administrative Region in celebration of the 72nd anniversary of the founding of the People’s Republic of China, Oct 1, 2021. (EDMOND TANG / CHINA DAILY)