Basically the replacement for the fireworks industryIt is real ... Chinese.
I mean I have seen on YT other flying drones...from China.
Well I believe that they invented fireworks too.Basically the replacement for the fireworks industry
I think some clever people in China have worked out that sending drones up in multi displays is very effective.
Which then self land and get recharged for the next night's display ......
I guess chuck some speakers in them too and there's your Sound + Light show, 2021 style