A flag-raising ceremony to celebrate the 71st anniversary of the founding of the People's Republic of China is held at the Tian'anmen Square in Beijing on Oct. 1, 2020. (Photos: Xinhua)

A flag-raising ceremony to celebrate the 71st anniversary of the founding of the People's Republic of China is held at the Tian'anmen Square in Beijing on Oct. 1, 2020.

A flag-raising ceremony to celebrate the 71st anniversary of the founding of the People's Republic of China is held at the Tian'anmen Square in Beijing on Oct. 1, 2020.

A flag-raising ceremony to celebrate the 71st anniversary of the founding of the People's Republic of China is held at the Tian'anmen Square in Beijing on Oct. 1, 2020.

A flag-raising ceremony to celebrate the 71st anniversary of the founding of the People's Republic of China is held at the Tian'anmen Square in Beijing on Oct. 1, 2020.

A flag-raising ceremony to celebrate the 71st anniversary of the founding of the People's Republic of China is held at the Tian'anmen Square in Beijing on Oct. 1, 2020.