This January 2012 photo provided by Feld Entertainment shows sisters Nicole, left, and Alana Feld, producers for the Ringling Bros. and Barnum and Bailey Circus, during Ringling Bros. "Presents ... more 
This January 2012 photo provided by Feld Entertainment shows sisters Nicole, left, and Alana Feld, producers for the Ringling Bros. and Barnum and Bailey Circus, during Ringling Bros. "Presents Dragons" show launched in Tampa, Fla. The Feld sisters are the third generation of the family to produce circus shows. Over the years, the Feld family has made changes that have alienated some traditionalists, such as eliminating the three-ring format. But the sisters say they try to walk a tightrope between innovating and maintaining traditions. (AP Photo/Feld Entertainment, Heinz Kluetmeier) less 
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Associated Press | Photo By Feld Entertainment, Heinz Kluetmeier
Sat, Apr 7, 2012 10:51 AM EDT