If those were meant to also serve as spots for scuba divers I guess that they are not safe? A thousand cars seems like a large number so I just went to check h

If those were meant to also serve as spots for scuba divers I guess that they are not safe? A thousand cars seems like a large number so I just went to check how many subway cars does NYC has in operation. Here is what Wikipedia says "As of November 2016, the New York City Subway has 6418 cars on the roster."[1]. [1] https://en.wikipedia.org/wiki/New_York_City_Subway https://en.wikipedia.org/wiki/New_York_City_Subway