As a New Yorker I take pride in knowing about the city I live in. I don’t know everything of course, and so from time to time I am stricken with this intense desire to figure something out about this great city of mine. The other day while walking around I noticed that the Empire State Building was blue and white, and that there were police everywhere. I joked with my friend that it was a signal that police were going to take over the city 
It turns out that it was United Nations day and that blue and white is chosen to represent that (the flag is blue and white if you haven’t noticed). Where did I find that out? I’m glad you asked! Check out the official website of the empire state building and the tower light schedule. There’s also a page dedicated to the history of the tower lights, and a list of the meanings for all of the colors that are displayed throughout the year. I <3 NY! 