Guiyang City, Guizhou Province, southwest China - May 22, 2019 (Guizhou Radio TV Station - No access Chinese mainland)
1. Drones with lights
2. Drones taking off
3. Various of drones taking off
4. Various of drones forming various shapes, lights changing
5. Various of fast motion of traffic at night
6. Fast motion of drones ready for rehearsal
7. Aerial shot of drones on ground
8. Aerial shot of workers checking drones

A total of 526 drones took flight Wednesday in the first rehearsal for the light shows scheduled to be performed at the upcoming China International Big Data Industry Expo 2019 in Guiyang City, capital of southwest China's Guizhou Province.

The drones, equipped with colorful lights rose up to the sky and aligned in various formations such as the Logo of the expo, the Earth and a walking man leaving spectators gaping with admiration at such spectacle.

The light shows, using the most advanced drone control system in China, is going to be the largest drone formation performance in the province. In order to ensure a successful performance during the expo, the project team has specifically prepped a total of 1,400 drones in case some gets broken or start malfunctioning.

At present, the project team has completed many preparatory works including airspace application, public security filing, drones planning and programming, live performance flight environment testing amongst others. The official performances will be delivered in a park from Saturday to Friday, showing the magic of advanced technology.

Altogether more than 26,000 participants from 55 countries and regions are expected to attend the China International Big Data Industry Expo 2019, to be held from May 26 to 29 in Guiyang.