[That's not funny right now!]

Could you grab a picture of that bit of cloth? In case the cliff starts collapsing more, but...

[Hmm, where to go.]

I'm going to try to circle around to see if I can tell where the rocks might have fallen. That should give us at least some idea, right?

[So he's just going to start (carefully!) making his way around along the top of the cliff to look for anything that might have fallen below.]