“If you’re going to stand out, be different. Be different and put yourself in situations where your work will be noticed.” Words of wisdom and advice from Xavier Soule, the president of one of France’s great photographic institutions.

Undercover photographer-activist JR uses public walls as his illegal galleries. His subjects are pseudo gang-members from the Paris suburbs, and make-believe terrorists in Palestine and israel. After being sued, arrested and hassled, he is now being celebrated by the media and exhibited by esteemed cultural organizations. Listen to our exclusive 16-minute audio interview to understand some of the ideas he is playing with. And enjoy 20 photos from his installations worldwide.