Photos: Tango World Cup
Argentina Tango
A tango couple competes in a stage category at the Tango Dance World Cup 2012 in Buenos Aires, Argentina, Wednesday, Aug. 22, 2012. The two-week long event offers hundreds of free dance lessons, concerts and recitals, as professional dancers compete in the championship and teach many the eight basic steps of the dance in the city where it was born. (AP Photo/Natacha Pisarenko)