A band performs at the Strawberry Music Festival in Beijing, capital of China, May 2, 2021. The 2021 Strawberry Music Festival is held at Beijing Expo Park from May 2 to May 4. (Photos: Xinhua/Xiao Xiao)

A band performs at the Strawberry Music Festival in Beijing, capital of China, May 2, 2021. The 2021 Strawberry Music Festival is held at Beijing Expo Park from May 2 to May 4.

A band performs at the Strawberry Music Festival in Beijing, capital of China, May 2, 2021. The 2021 Strawberry Music Festival is held at Beijing Expo Park from May 2 to May 4.

People enjoy themselves at the Strawberry Music Festival in Beijing, capital of China, May 2, 2021. The 2021 Strawberry Music Festival is held at Beijing Expo Park from May 2 to May 4.

Singer Zeng Yike (L) performs at the Strawberry Music Festival in Beijing, capital of China, May 2, 2021. The 2021 Strawberry Music Festival is held at Beijing Expo Park from May 2 to May 4.

A band performs at the Strawberry Music Festival in Beijing, capital of China, May 2, 2021. The 2021 Strawberry Music Festival is held at Beijing Expo Park from May 2 to May 4.