There was a drone inspecting the Tower 4 Cables when the collapse started so we get a close up on the cables breaking, check the second video segment. pic.twitter.com/Qw37Z5byWg

— Scott Manley (@DJSnM) December 3, 2020

They were actually at Arecibo studying the damage with a drone when the telescope collapsed. They’ve got multiple cameras showing how the collapse occurred.