Tango Dance World Championship

Argentina's Leonardo Barri, top, and Talia Gorla, bottom, perform during the 2011 Tango World Championship Stage category finals in Buenos Aires, Argentina, Tuesday, Aug. 30, 2011. (AP/Victor R. Caivano)

Argentine couple Agustina Vignau (L) and Hugo Mastrolorenzo dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

The Argentine couple of Maria Belen Bernasconi (L) and Hector Reyna dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

The Colombian couple of Tatiana Lopez Rodriguez (L) and Edison Chaves Aguillon dance during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Argentine couple Yesica Lozano Elias (L) and Eber Burger dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Colombian couple Diana Diaz Salazar (L) and Jose Ospina Lodono dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires. (AFP)

Colombian couple Maria Sanchez Moncayo (R) and Jhon Monaca Rojas dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

The Colombian couple of Maria Sanchez Moncayo (R) and Jhon Monaca Rojas dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires. (AFP)

The Colombian couple of Tatiana Lopez Rodriguez (L) and Edison Chaves Aguillon dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Colombian couple Diana Diaz Salazar (R) and Jose Ospina Lodono dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Venezuelan couple Clarissa Sanchez (R) and John Erban dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Argentine couple Florencia Castilla (L) and Guido Palacios dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Paraguayan couple of Seudy Villasanti (L) and Armando Benitez dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Argentine couple Silvana Prieto (R) and Juan Fernandez dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Argentine couple Diego Benitez (R) and Rocio Vargas dance during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

The Colombian couple of Maria Sanchez Moncayo (L) and Jhon Monaca Rojas dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Argentine couple Silvana Prieto (L) and Juan Fernandez dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)

Argentine couple Yesica Lozano Elias (L) and Eber Burger dances during the semifinal round of the Stage Tango competition at the 9th Tango Dance World Championship in Buenos Aires on August 27, 2011. (AFP)