@CNN: In mid-August, just after sunset, the skies over Amsterdam were lit by a swarm of 300 glowing drones moving through the night in a tightly choreographed spectacle https://t.co/AZxSYwWurc https://t.co/vxBXlTZ5ZF
In mid-August, just after sunset, the skies over Amsterdam were lit by a swarm of 300 glowing drones moving through the night in a tightly choreographed spectacle https://t.co/AZxSYwWurc pic.twitter.com/vxBXlTZ5ZF
— CNN (@CNN) September 19, 2018