"In this May 4, 2017 file photo, a performance by the Ringling Bros. and Barnum & Bailey Circus features the Desert Goddesses camels, in Providence, R.I. The circus that has wowed crowds for 146 years with its ""Greatest Show on Earth"" will be taking its final bow on Sunday May 21, 2017, when the sold-out 7pm show finishes at the Nassau County Coliseum in Uniondale, New York. (AP Photo/Julie Jacobson, File)"
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