One of the world's most influential photographers, Bruce Davidson, takes readers inside three midcentury big tops in images that are poetic, realistic and profound. He reveals not only the swiftly vanishing cultural phenomenon of the circus, but what might be called the eternal human circus. At a three-ring show in 1958 he climbed to the top of the tent to view the performances of the famous liontamer Clyde Beatty and human cannonball Hugo Zacchini...