How did a urinal become art? And a can of tomato soup, a tent, a pickled shark. . . . How did what seemed like a prank at the New York Armory Show of 1917 explode to become today's global multibillion-dollar art world? Blow Up answers these questions by following the lives of seminal contemporary artists and the stories behind their groundbreaking works. Against a backdrop of armed conflict (two World Wars, Japanese militarization, US troops...