and/or parking money in them. Those types of units are everywhere - not just in the older classic buildings but now newer skyscrapers. There's no way that there are people in all of them. 
I remember when these buildings were just holes in the ground and me and my sister were standing on the corner waiting for the SEPTA bus next to the construction site to go to school (we went to school downtown and caught a commuter train with the line that ended a few blocks from there - I still have the commemorative coin from when they opened) -
The complex was just in the news the past couple days as they were bought and will become mixed use - a hotel and residential, etc.
https://www.inquirer.com/real-estate/commercial/centre-square-conversion-pmc-dean-adler-20260228.html
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