At any other time, given the location I'd guess that the people in the web cam image had been out all night, but since you posted that image in May, presumably you grabbed it then, when New York City was still in Phase 1 lockdown. They could have done curbside pickup of food and even of alcohol, but the entertainment venues were all closed. Entertainment consisted of a walk in a park wearing a mask and ready to alter your route when someone approached in order to maintain your 6' safety perimeter.As I can't really travel at the moment I occasionally jump on Earthcam and get a quick view of places I wish I could visit for the first time or indeed again when this is over. I popped onto the Times Square Cams in New York, the time there was 04.32 yet strangely there were two guys in suits and one guy with a camera and tripod and they seemed to be posing for photos .
I know its a bit Hitchcock Rear Window but I am intrigued why two well dressed guys and a photographer decided that to get the photo they need why does it have to be at Four Thirty in the morning, did they get up, dressed and go there , have they been out all night and are taking the photo as a memento of their visit before going back to their Hotel , the photographer doesn't appear of face value to be a friend or have been out socially with them as he is not dressed in suit ? Hoping you can see them clearly enough from this screen dump.
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Their activities that night/morning will forever remain a mystery!