
Apart from this spoof what is remarkable about this story is the lack of evidence. Youtube has a bunch of links all of which are people talking about the
issue. The melted plastic bag is the only proof offered. Not to doubt the local heating effect of the concave mirror, but singed hair and no burnt skin?
It seems the original story broke in the Las Vegas Review. Illustrated thus:

What I want to see is the video showing what happens. Not the cheap, sun glinting off the facade pic.