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May 27, 2017

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National Geographic's "50 Greatest Photographs" exhibit at The Venetian on Tuesday, Feb. 12, 2013. Imagine Exhibitions President and CEO Tom Zaller is pictured here.

Tom Donoghue/DonoghuePhotography.com

National Geographic's "50 Greatest Photographs" exhibit at The Venetian on Tuesday, Feb. 12, 2013. Imagine Exhibitions President and CEO Tom Zaller is pictured here.