Something big is underway in Seville this week: the Flamenco Biennial, the 17th edition of the world's biggest flamenco event, including the greatest living artists of a centuries-old art form inextricably linked with the culture of Spain's south. Its alternately sinuous, staccato, and plaintive moves and sounds, rooted in the Roma (gypsy) communities, have diversified over the centuries, but they still... keep reading