A performance is staged during the 12th Straits Forum in Xiamen, southeast China's Fujian Province, Sept. 20, 2020. (Xinhua/Jiang Kehong)

Children across the Taiwan Strait give a performance on site and online during the 12th Straits Forum in Xiamen, southeast China's Fujian Province, Sept. 20, 2020. (Xinhua/Jiang Kehong)

A performance is staged during the 12th Straits Forum in Xiamen, southeast China's Fujian Province, Sept. 20, 2020. (Xinhua/Jiang Kehong)

A performance is staged during the 12th Straits Forum in Xiamen, southeast China's Fujian Province, Sept. 20, 2020. (Xinhua/Jiang Kehong)

Photo taken on Sept. 20, 2020 shows the 12th Straits Forum in Xiamen, southeast China's Fujian Province. (Xinhua/Jiang Kehong)

Photo taken on Sept. 20, 2020 shows the 12th Straits Forum in Xiamen, southeast China's Fujian Province. (Xinhua/Jiang Kehong)

A performance is staged during the 12th Straits Forum in Xiamen, southeast China's Fujian Province, Sept. 20, 2020. (Xinhua/Jiang Kehong)

Guests attend the 12th Straits Forum in Xiamen, southeast China's Fujian Province, Sept. 20, 2020. (Xinhua/Jiang Kehong)