I spent some time today going at digging differently and researched a bunch of videos. I learned a lot but didn't find a smoking gun. Nonetheless, this info may be of interest to others.
This video- elevator 40 stories down to a gigantic room of generators/transformers under Grand Central Terminal:
https:/ /www.youtube.com/watch?v=qLPOmtI4W9I
This is the video that made me realize that most of NYC is a cavernous underground world. Just look at the size of these areas and they go on forever it seems (and just down the street from our building): https:// www.youtube.com/watch?v=iuxsrWQY12g
I have no doubt there are tunnels/rooms under the JK building.
ELF Towers popping up in NYC (think 5G/modulation relay): https:// www.youtube.com/watch?v=xOKVSLu_pxk
Intro to NYC:
https:// www.youtube.com/watch?v=C1pYiPV3hHo
Waldorf Astoria (Park Ave, right around the corner) underground system built for Roosevelt:
https:// www.youtube.com/watch?v=P7fttpgp41A
The UN- symbolism: https:// www.youtube.com/watch?v=o5xN9uFFkGw
Secrets in Plain Sight series for those who want more: https:// www.youtube.com/watch?v=NABioDZ6ydI