The National Charanga Band Festival Activity · Poza de la Sal, La Bureba, Burgos Image of Poza de la Sal, not of the place itself. On the first Saturday of May the streets of the walled quarter fill with bands come from all over Spain in an event that prolongs more than a century of musical tradition in this town of fewer than four hundred households. Photo: Luiyo from Madrid, Spain (CC BY-SA 2.0) What to see and do in Poza de la Sal