A member of the Yakubov Troupe from Kazakhstan, China and Uzbekistan performs from 40-foot straps June 9, 2011, during a tour with Ringling Bros. and Barnum & Bailey Circus at the World Arena in Colorado Springs, Colo. It’s the acrobats’ first year in the United States. The 141st edition of “The Greatest Show On Earth” featured a new, electrifying show, “Fully Charged,” inspired by the great showman P.T. Barnum.