Mysterious Colorado Swarms of Giant Drones still Have Officials Baffled

https://shore-215.blogspot.com/2019/12/mysterious-drone-flights-in-colorado.html
https://www.denverpost.com/2019/12/31/drone-video-yuma-county-colorado/
https://www.youtube.com/watch?v=_aW6k1qViio
 https://www.youtube.com/watch?v=sQeOTC4j9Mg
 https://www.denverpost.com/2019/12/23/drones-mystery-colorado/
 https://www.kcci.com/article/drones-flying-in-rural-colorado-