More than 200 people have Walking Gallery jackets that tell the story of their experiences with health and the medical system. Maggie Starbard/NPR hide caption

itoggle caption Maggie Starbard/NPR

A visitor walks past an exhibit in the Encyclopedic Palace. Gabriel Bouys/AFP/Getty Images hide caption

itoggle caption Gabriel Bouys/AFP/Getty Images

Il Palazzo Enciclopedico: A visitor puzzles over the multitude of choices offered by the the 55th International Art Exhibition of La Biennale di Venezia. It runs from June 1 to November 24, 2013. Marco Secchi/Getty Images hide caption

itoggle caption Marco Secchi/Getty Images

The video for Chinese artist Ai Weiwei's newly released song starts by re-creating the conditions of his captivity during the 81 days he was held in police detention in 2011, and later dissolves into a dystopian nightmare. Courtesy Ai Weiwei hide caption

itoggle caption Courtesy Ai Weiwei

One of the highlights of the new China Art Palace in Shanghai is a giant digital rendering of a famous ancient scroll, "Along the River During Qingming Festival," which includes figures that walk and talk. The work was first presented at the 2010 World Expo in Shanghai. Frank Langfitt/NPR hide caption

itoggle caption Frank Langfitt/NPR