Light show held in Xi'an, China's Shaanxi

Drones form the shape of shoe-shaped gold ingots during a light show in Xi'an, capital of northwest China's Shaanxi Province, Feb. 20, 2018. A total of 300 drones in 2 groups performed a light show in Xi'an on Tuesday night to celebrate the Spring Festival holiday. (Xinhua/Shao Rui)