Picture a stadium crowd. Now picture every person in it holding up a light. Now lift the whole crowd a few hundred metres into the night and have them fly in formation until they turn into a panda. 🐼
That is roughly what happened over Dujiangyan, Sichuan on the night of 20 May 2026, when a local firm called Yufengzhe Technology put 33,615 drones into the air at once. Not a rendering, not a projection: thirty-three thousand small aircraft, each one a single glowing pixel, holding position in a breeze while the sky rearranged itself.
Three records, one launch
Guinness World Records sent adjudicators, and the swarm came home with three certificates:
That last number is the one to sit with. A hundred and forty-eight thousand square metres is about twenty football pitches, and it was not on the ground. It was a screen made of nothing but aircraft, hanging in the dark, showing pandas, drifting mountain-islands out of a landscape painting, and the twenty-eight mansions of the eastern sky, the old Chinese constellations, picked out in light over a town that has been looking up at them for two thousand years. ✨
How do you keep 33,615 things from bumping into each other?
You give them their own radio. The swarm ran on a custom local network with latency under 20 milliseconds, so every drone knew where every neighbour was faster than a human can blink. When gusts came through during the show, the formations held. Each drone flew a pre-planned path, corrected in real time, and when the last picture faded they all did the least dramatic thing imaginable: they flew back to their launch grid, landed, and started charging. 🔋
No smoke, no ash, no bang. Just a soft hum, and a sky that kept quietly changing its mind about what it wanted to be.
The record that still stands next to it
Fair is fair: in February, EHang flew 22,580 drones from a single computer over Hefei, and that Guinness record is untouched. Dujiangyan used distributed control, many computers talking at once, which is a different category with a different certificate. Two Chinese cities, two approaches, both of them putting more lights in the sky than anyone had before this year. 🏆
Why this lives on a good-news blog
Because a few thousand years ago the people of Dujiangyan tamed a river with bamboo and stone, and it still works. This year their neighbours tamed the sky for one evening with radios and batteries, drew a panda across it, and sent every piece home safe. Same town. Same instinct: build something enormous, patient and gentle enough that a crowd can just stand there and look up. 🐼💛
Go deeper (real links, no pop-ups, promise)
- 🛸 ShanghaiEye: 33,615 drones light up the night skies in SW China’s Sichuan (YouTube)
- 📰 CGTN: World’s largest drone cluster lights up Sichuan sky with 33,615 units
- 📐 Notebookcheck: China sets three world records with 33,615-drone light show
- 🏆 Guinness World Records: Largest aerial image formed by drones
- 🌊 Wikipedia: Dujiangyan irrigation system
