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500+ drones rehearse for Big Data expo(1/3)

2019-05-27 16:08:20 Ecns.cn Editor :Yao Lan

$More than 500 drones rehearse for a light show to celebrate the opening of the China International Big Data Industry Expo 2019 in Guiyang, Southwest China\'s Guizhou Province, May 24, 2019. The four-day expo attracted 448 enterprises from 59 countries and regions, according to the organizing committee. (Photo: China News Service/Yu Jiayang)$

More than 500 drones rehearse for a light show to celebrate the opening of the China International Big Data Industry Expo 2019 in Guiyang, Southwest China's Guizhou Province, May 24, 2019. The four-day expo attracted 448 enterprises from 59 countries and regions, according to the organizing committee. (Photo: China News Service/Yu Jiayang)

$More than 500 drones rehearse for a light show to celebrate the opening of the China International Big Data Industry Expo 2019 in Guiyang, Southwest China\'s Guizhou Province, May 24, 2019. The four-day expo attracted 448 enterprises from 59 countries and regions, according to the organizing committee. (Photo: China News Service/Yu Jiayang)$

More than 500 drones rehearse for a light show to celebrate the opening of the China International Big Data Industry Expo 2019 in Guiyang, Southwest China's Guizhou Province, May 24, 2019. The four-day expo attracted 448 enterprises from 59 countries and regions, according to the organizing committee. (Photo: China News Service/Yu Jiayang)

$More than 500 drones rehearse for a light show to celebrate the opening of the China International Big Data Industry Expo 2019 in Guiyang, Southwest China\'s Guizhou Province, May 24, 2019. The four-day expo attracted 448 enterprises from 59 countries and regions, according to the organizing committee. (Photo: China News Service/Yu Jiayang)$

More than 500 drones rehearse for a light show to celebrate the opening of the China International Big Data Industry Expo 2019 in Guiyang, Southwest China's Guizhou Province, May 24, 2019. The four-day expo attracted 448 enterprises from 59 countries and regions, according to the organizing committee. (Photo: China News Service/Yu Jiayang)