Mysterious drone-like objects have been flying over Colorado and Nebraska in recent weeks, but authorities can't figure out who is responsible for the aircraft.
원문출처 : https://www.cnn.com/videos/us/2020/01/04/colorado-nebraska-drones-pkg-vpx.hln
원문출처 : https://www.cnn.com/videos/us/2020/01/04/colorado-nebraska-drones-pkg-vpx.hln