The subway may open 24 hours a day, but some of the exits do not! As I do research on the last station of my second batch at the 42nd Street Grand Central Station, I realize quite a few exits open to the inside of office buildings, and they only open on weekdays, during office hours:

42nd Street Grand Central Station Snapshot

42nd Street Grand Central Station Snapshot 2

Once I am done with Grand Central, the remaining tasks are organizing and formatting. My goal is to do my second launch - with 5 new images - on or before Cyber Monday, 30 Nov. Stay tuned!