You said — I saw a number of gentlemen on the rooftop of a building where I was at and they were taking crowd photos.
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Sounds like “back to the future” to me... :-) Same thing went on in the late 60s and early 70s...
I guess they’re at it again, or maybe they never stopped..., who knows...
“never stopped..”
I just smiled and waved and went back to holding up my sign street side for the people in vehicles to read as they waited for the stoplight to change.