Drone display recreates the Twin Towers over New York City

Organisers say each of the 2,977 drones in the display represents a victim of the 9/11 attacks.

​Drone display recreates the Twin Towers over New York City Organisers say each of the 2,977 drones in the display represents a victim of the 9/11 attacks. Organisers say each of the 2,977 drones in the display represents a victim of the 9/11 attacks.