Girls and their teacher sing outdoors at Dacao Town of Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 6, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Tang Wenhao)

Girls and their teacher sing outdoors at Dacao Town of Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 6, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Xu Bingjie)

A girl practices the guitar at Dacao central primary school in Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 6, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Tang Wenhao)

Girls sing outdoors at Dacao Town of Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 6, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Xu Bingjie)

Girls sing at Dacao central primary school in Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 6, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Tang Wenhao)

Girls sing at Dacao central primary school in Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 6, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Tang Wenhao)

Girls and their teacher play outdoors at Dacao Town of Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 6, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Tang Wenhao)

Members of a children's choir paint the name of the choir at Dacao central primary school in Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 4, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Xu Bingjie)

Girls and their teacher sing outdoors at Dacao Town of Puge County, Liangshan Yi Autonomous Prefecture, southwest China's Sichuan Province, Aug. 6, 2021. The all-girls choir at Dacao central primary school in Puge County gained wide attention after the videos of their performances are shared on short video platforms. The choir was invited to attend a music festival in Beijing, capital of China this summer. (Xinhua/Tang Wenhao)