A unique aspect of graffiti not present in other art forms is its competitive edge. Graffiti writers are like athletes, crews are their teams, and battles are like championships. Battle 4 the City [B4TC] has been a championship-level battle in Chicago for years, providing a battleground of buffed walls for the top graffiti crews and writers to create the most skillful, creative production in a time-constrained battle for a cash prize.