Venezuela's John Erban (R) and his partner Clarissa Sanchez dance near Colombia's Diego Julian Hernandez (2nd L) and Natasha Agudelo Arboleda (L) during Argentina's eighth edition of the Tango World Championships, at the Luna Park arena in Buenos Aires, August 29, 2011. Hernandez and Agudelo placed first while Erban and Sanchez placed second in the Salon Tango category.[Photo/Agencies]