Debra Diamond, exhibition curator and Curator of South and Southeast Asian art, gives a tour during a press preview of Yoga: The Art of Transformation at the Smithsonian's Sackler Gallery in Washington, Tuesday, Oct. 22, 2013. The Smithsonian Institution has organized what curators believe is the first exhibition about the visual history and art of yoga. The exhibition includes Indian sculpture, manuscripts and paintings, as well as posters, illustrations, photographs and films to showcase the history of yoga over 2,000 years.