The Spaxels, the Quadcopter-Swarm of the Ars Electronica Futurelab took to the air again on the occasion of the opening of the Ljubljana Festival in Slovenia.
![](https://ars.electronica.art/swarms/files/2013/07/2013-llubjiana-9256042460_c20ea7166b_k-930x620.jpg)
The Spaxels, the Quadcopter-Swarm of the Ars Electronica Futurelab took to the air again on the occasion of the opening of the Ljubljana Festival in Slovenia.