The Burning of the Castillo Activity · San Esteban de la Sierra, Sierra de Francia, Salamanca Image of San Esteban de la Sierra, not of the place itself. The festivals of the Christ open with a tradition of medieval root: a young man climbs the mast of a stripped tree to reach the prize hung at the top —for decades now, a ham— while at his feet a pyre several metres high burns. Photo: Mikelzubi (CC BY-SA 3.0) What to see and do in San Esteban de la Sierra