In this Nov. 7, 2013 photo, Nyquis Turner, 16, writes “Play in the NFL” on a wall in Syracuse, N.Y., that invites passers-by to complete the sentence: “Before I die, I want to...” The global phenomenon started in 2011, when artist Candy Chang created the first wall on an abandoned house in her New Orleans neighborhood. More than 400 walls have gone up in the United States and more than 60 other countries. (AP Photo/Carolyn Thompson)