That image has been around for so long...I have no idea of it's source, or who provided it originally. I also considered it as a possible 'prank' - until I saw this:
Appears to have been taken on the same day as the 'person in the middle' - wearing the same clothes...HE may have been in Central Park, BUT WERE THEY?
Yes! That’s the one I saw.
That’s the jacket too.
On second glance, it looks like he’s wearing the same scarf.
My bad.
Maybe it was another one. But the scarf must be authentic
Here’s another view of the pic, from the NYDaily: