We recently told you about 10 secrets of Grand Central Terminal in an amNewYork story.

Now, you can take a tour of Grand Central with amNY's Rolando Pujol and WNBC's David Ushery on his new show, The Debrief, which airs Friday at 6:30 p.m. on New York Nonstop and Sunday at noon on WNBC/Channel 4.

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Check out the video HERE. Pujol's "Hidden City" segments are a regular feature of New York Nonstop, which can be seen on Cablevision (Channel 109),Time Warner (Channel 161) and over the air on Channel 4.2.

amNewYork's Julie Gordon and Matt Windman also regularly contribute to the channel.