People perform during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019. (Photos: Xinhua)

People perform during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People perform during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

The mascots of Beijing 2022 Olympic Winter Games Bing Dwen Dwen (front) and the mascots of Beijing 2022 Paralympic Winter Games Shuey Rhon Rhon are seen at the grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), in Beijing, capital of China, Oct. 1, 2019.

People perform during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), in Beijing, capital of China, Oct. 1, 2019.

A participant takes photos during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People pose for a group photo before the grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People perform during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), in Beijing, capital of China, Oct. 1, 2019.

People perform during a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People perform during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

A man participates in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Fireworks explode during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), in Beijing, capital of China, Oct. 1, 2019.

A women performs during a grand evening gala at Tian'anmen Square to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), in Beijing, capital of China, Oct. 1, 2019.

People pose for group photos during a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

Combo photo taken on Oct. 1, 2019 shows fireworks exploding during a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.

People participate in a grand evening gala marking the 70th founding anniversary of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019.