FILE – In this May 1, 2016 file photo, an Asian elephant performs during the national anthem for the final time in the Ringling Bros. and Barnum & Bailey Circus in Providence, R.I. The Ringling Bros. and Barnum & Bailey Circus will end “The Greatest Show on Earth” on May 21, 2017, following a 146-year run. Declining attendance combined with high operating costs, along with changing public tastes and prolonged battles with animal rights groups all contributed to its demise. (AP/RSS Photo/Bill Sikes, File)