Thousands of drones form Twin Towers in moving 9/11 memorial

The silhouette of the Twin Towers lit the night sky with 2,977 drones, honoring the number of lives lost on Sept. 11, 2001.

​ The silhouette of the Twin Towers lit the night sky with 2,977 drones, honoring the number of lives lost on Sept. 11, 2001. USA TODAY – Breaking News and Latest News Today Read More