"There would be a ground command station (flight control) that communicated with each individual drone. They would all be constantly sending data about their current position, and flight control would react in real time to deviations from the ideal…"
"Matt, I think they used mavlink to communicate with each other and maintain separation. There was a thread about this when it came out, let me look around for a second and try to find some links.
It's mesmerizing artwork, indeed!"