Pixels in the night sky 2019 China International Big Data Industry Expo
Like hundreds of bright stars in the night sky, an army of glowing drones have taken the centre stage of a Chinese city during a daily light spectacle.
Every night in Guiyang, the glittering unmanned aerial vehicles - 526 in total - take off simultaneously before forming beautiful 3-D images in midair. With a constantly changing colour scheme, the group of aircraft fly in different formations such as a globe, a moving hand, a running man and a rotating cube.