This Argentine city honors the tango many times, including the annual world championship in August
[DOC] [TLE] International and Local Teachers - Melbourne Tango Festival [PAR] World Tango Championship, Argentina, Luna Park, Finalist 2005/2006/2008 ... 
Cristina Sosa and Daniel Nacucchio Four times World Champions in 2008 ... and 
moved to the city of Buenos Aires to practice law and dance the tango in 1988.