Originally Posted by
Nige321
ESA are involved. I doubt they'd put up with fake videos.
ESA website
The ESA web site so helpfully referenced says the concept has been 'validated ...with several scaled prototypes weighing 25 kg'.
It goes on to say that Lilium is now developing its first product, a two seater ultra light...
I think that settles the matter, the video is of one of the prototypes.