Laura Chazarreta (left) teaches a Chinese learner a few tango steps. In a spacious room in the Embassy of Argentina near Sanlitun, 38-year-old Laura Chazarreta introduces the tango steps to a group of ...

When the tango begins to play, Lidia Beltran shrugs off the Parkinson’s symptoms that plague her, takes hold of her therapist and dances, her body fluid and her steps precise. This is part of an ...