On May 28, 2019, there was an amazing light show at International Big Data Industry Expo 2019 in Guiyang, Guizhou Province of China.

The four-day expo hosted 448 enterprises from 59 countries and regions. In this organization, more than 500 drones made an impressive light show in the sky. During the expo, which lasted until May 31st, every night, three-dimensional images of various shapes such as butterflies, a running man and a globe were exhibited in the air with the lights.

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