We're giving away a copy of New York Then and Now, a new book that pairs old photos of New York City with new photos taken from the same spot. How to win? Send your favorite NYC then-and-now photo pairing to tips@curbed.com by tonight. (The photos don't have to be taken from the exact same point, and you don't have to be the photographer of the "now" photo.) The winner must be able to pick up the book from Curbed HQ near Astor Place. [CurbedWire Staff; previously]
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