FILE - In this July 16, 1956 file photo, a circus hand guides a big elephant down the ramp as the Ringling Bros. and Barnum & Bailey Circus arrives in Pittsburgh. The circus will phase out the show's iconic elephants from its performances by 2018, telling The Associated Press exclusively on Thursday, March 5, 2015 that growing public concern about how the animals are treated led to the decision. (AP Photo)