'Zoe' walks the tightrope during a Boston cat show. The trainers at the show said that a cat is best trained to do tricks that fit its personality. Melanie Stetson Freeman/Staff/File
A cat balances on performer Yuri Kuklachev's hand during a show in Moscow. Mr. Kuklachev says his training technique is a secret, but that cats will do anything if they trust you. Melanie Stetson Freeman/Staff/File
A cat walks with a bird during Madame Shamsheeva's trained animal act in Tampa, Fla. Newscom/File
Svetlana Shemsheeva performs with a cat at the Ringling Bros. Barnum and Bailey Circus in Dallas, Tex. Cheryl Diaz Myer/Newscom/File
Animal trainers Beth Cristel and Samantha Martin use treats to encourage the Rock Cats – 'Pinky' on guitar and 'Fiji' on drums – to perform at Chicago Gorilla Tango Theater in Chicago, Ill. Mira Oberman/AFP/Newscom/File
A cat jumps through a hoop held by a monk named Nga phe Kyaung at the Jumping Cat Monastery in Inle Lake, Burma (Myanmar). Janet Sweeney/Lonely Planet Photos/Newscom/File
Suzanne Berrin tries to coax her Burmese cat named 'Canon' to jump over a hurdle designed for cats. Charlie Neuman/San Diego Union-Tribune/Zuma Press/Newscom/File
'Gimmel,' the glamorous cat from Fancy Feast commercials, 'plays' a grand piano with trainer Karen Thomas at a Boston cat show. Melanie Stetson Freeman/Staff/File
It's not your average game of cat and mouse. 'Maverick,' an American shorthair, shows off his computer skills in preparation for the annual Cat Fanciers Association Iams Cat Championship at Madison Square Garden in New York. Tamara Beckwith/Splash News/Newscom/File
A 10-hour procession celebrates the 'Blue Virgin,' more formally known as Paraguay’s 'Lady of Caacupe.' Last year, the Mass was led by Jorge Mario Bergoglio, now the pope.
Rodrigo Abd, Associated Press /
December 12, 2013
Thousands of Paraguayan immigrants living along the polluted Riachuelo river in Argentina's capital celebrate their "Blue Virgin" every year with a grueling but joyful 10-hour procession that winds through every corner of their slum. Last year, their feast day's Mass was led by none other than Buenos Aires Archbishop Jorge Mario Bergoglio, who has since become their beloved "slum pope."