A flag-raising ceremony is held during a grand gathering celebrating the Communist Party of China (CPC) centenary at Tian'anmen Square in Beijing, capital of China, July 1, 2021. (Xinhua/Pang Xinglei)

A national flag-raising ceremony was held at Tian'anmen Square in Beijing on Thursday morning during a ceremony marking the centenary of the Communist Party of China (CPC).

A national flag-raising ceremony is held at Tian'anmen Square during a ceremony marking the centenary of the Communist Party of China (CPC) in Beijing, capital of China, July 1, 2021. (Xinhua/Wang Yuguo)

A flag-raising ceremony is held during a grand gathering celebrating the Communist Party of China (CPC) centenary at Tian'anmen Square in Beijing, capital of China, July 1, 2021. (Xinhua/Lan Hongguang)

A national flag-raising ceremony is held at Tian'anmen Square during a ceremony marking the centenary of the Communist Party of China (CPC) in Beijing, capital of China, July 1, 2021. (Xinhua/Shen Hong)