Photo taken on Sept. 28, 2019 shows a light show staged along the banks of the Pearl River to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), which falls on Oct. 1, in Guangzhou, capital of south China's Guangdong Province. (Xinhua/Huang Guobao)

Photo taken on Sept. 28, 2019 shows a light show staged along the banks of the Pearl River to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), which falls on Oct. 1, in Guangzhou, capital of south China's Guangdong Province. (Xinhua/Huang Guobao)

Photo taken on Sept. 28, 2019 shows a light show staged along the banks of the Pearl River to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), which falls on Oct. 1, in Guangzhou, capital of south China's Guangdong Province. (Xinhua/Huang Guobao)

Photo taken on Sept. 28, 2019 shows a light show staged along the banks of the Pearl River to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), which falls on Oct. 1, in Guangzhou, capital of south China's Guangdong Province. (Xinhua/Huang Guobao)

A citizen takes a picture of a light show staged at Sichuan Art Museum to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), which falls on Oct. 1, in Chengdu, capital of southwest China's Sichuan Province, Sept. 28, 2019. (Xinhua/Jiang Hongjing)

Photo taken on Sept. 28, 2019 shows a light show staged at Global Center to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), which falls on Oct. 1, in Chengdu, capital of southwest China's Sichuan Province. (Xinhua/Jiang Hongjing)

A citizen takes a picture of a light show staged at Sichuan Provincial Library to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), which falls on Oct. 1, in Chengdu, capital of southwest China's Sichuan Province, Sept. 28, 2019. (Xinhua/Jiang Hongjing)

Photo taken on Sept. 28, 2019 shows a light show staged at Tianfu Panda Tower to celebrate the 70th anniversary of the founding of the People's Republic of China (PRC), which falls on Oct. 1, in Chengdu, capital of southwest China's Sichuan Province, Sept. 28, 2019. (Xinhua/Jiang Hongjing)