Video of the collapse:
https://www.youtube.com/watch?v=Hq0F3rPHp1E&feature=emb_logo
Thank you.
Visio could be used in beginner civil engineering tutorials on castastrophic failure, like galloping girtie
And closeup from drone
https://arstechnica.com/science/2020/12/nsf-had-a-drone-watching-as-arecibos-cables-snapped/