A man examines Vincent van Gogh's "Mountains at Saint Remy" 1889 oil on canvas during a press preview of the exhibit "The Armory Show at 100" at the New York Historical Society in New York, October 9, 2013. A century after the controversial 1913 Armory Show in New York challenged America's perception of Art, a new exhibition is celebrating the event with works from the original including masterpieces by Matisse, Marcel Duchamp and Francis Picabia. Picture taken Ocotber 9, 2013. REUTERS/Mike Segar (UINTED STATES - Tags: ENTERTAINMENT)