A drone fleet staged a spectacular light show in Nanchong City, southwest China's Sichuan Province, on Monday evening to welcome the opening ceremony of the 2022 Sichuan International Cultural Tourism Festival. A total of 500 unmanned aerial vehicles were used to present a special light and music show along the Nanchong section of the Jialing River. The drone fleet continuously changed its formation and color to compose different patterns with local characteristics in the night sky. The festival will be held from July 21 to 22 in Nanchong City.