A couple rehearses before competing in the Tango Dance World Cup 2012, salon category, in Buenos Aires, Argentina, Aug. 20, 2012.
Natacha Pisarenko / AP — From Aug. 14 to 28 Buenos Aires hosts the Tango Buenos Aires Festival and Dance World Cup. Dancers from 32 countries compete in two categories of the championship: tango Salon, with 357 couples participating and tango stage with 134 couples. The two-week long event offers more than 500 free dance lessons, concerts and recitals. Hundreds of professional dancers teach the eight basic steps of tango in the city where it was born.
Italy's dancers Eloina Martins, left, and Paolo Nelzi, second from left, among others, wait to compete in the 2012 Tango Dance World, Aug. 20.
Ramiro Perez sprays his hair before competing in the 2012 Tango Dance World Cup, Aug. 20.
Dancers get ready backstage before competing in the 2012 Tango Dance World Cup, Aug. 20.
Couples compete in the 2012 Tango Dance World Cup, Aug. 20.