I thought this was fascinating to watch a couple drones working together autonomously, tying knots, etc to create a bridge capable for a human to walk across!

Fascinating!!  The skill of the pilots is mighty impressive too.  

Autonomous.

That was like a dance!

Incredible.  That's an awesome use of drones and a testament to the skills of the pilots.

Fascinating images, thank you for sharing this video. This makes me wonder how much more these are capable of doing that isn't publicly shared.

Practice makes perfect. And that is a great display of what practice will do!

fascinating video!