You're right but, it looks like the smoke/dust comes from the anchor points of t...

bayindirh on Dec 1, 2020 | parent | context | favorite | on: Arecibo Observatory Collapsed

You're right but, it looks like the smoke/dust comes from the anchor points of the cables, so the ground part gave way and all cables were collapsed cleanly.

Another angle is https://twitter.com/adamonzon/status/1333742939005218816/pho...

Also looks like "cable hubs" at the top of support towers are gone too.