Students operate drones over obstacles during a competition at Quanshan Road School in Huaibei City, east China's Anhui Province, Feb 10, 2023. On the same day, the school held a campus Science and Technology Cultural Festival to stimulate students' innovative spirit and enrich their campus life through activities such as calligraphy and art, model performance, drone operation and aviation and aerospace exhibition. (Wan Shanzhao/Guangming Picture)

Students and teachers view aerospace models made by students  at Quanshan Road School in Huaibei City, east China's Anhui Province, Feb 10, 2023. On the same day, the school held a campus Science and Technology Cultural Festival to stimulate students' innovative spirit and enrich their campus life through activities such as calligraphy and art, model performance, drone operation and aviation and aerospace exhibition. (Wan Shanzhao/Guangming Picture)

Students visit a creative handicrafts exhibition  at Quanshan Road School in Huaibei City, east China's Anhui Province, Feb 10, 2023. On the same day, the school held a campus Science and Technology Cultural Festival to stimulate students' innovative spirit and enrich their campus life through activities such as calligraphy and art, model performance, drone operation and aviation and aerospace exhibition. (Wan Shanzhao/Guangming Picture)