http://web.archive.org/web/20150526...as-tango-y-milonga-buenos-aires-2012/?lang=en links to videos of the finals. All the couples in the tango adulto category look and dance the same to me. They all begin with the embrace first, then the hand; it's the opposite in the milongas where the woman's hand is taken first. They all begin drawing circles with the foot before moving. The winners in tango adulto & milonga competed three years ago in the world championships with different partners.