Los Zarramaches Curiosity · Casavieja, Arenas de San Pedro, Ávila Every 3 February, masked young men covered in cowbells go through the village in a winter masquerade recognised as cultural heritage. Its memory goes back to a prohibition issued in 1731 by the bishop of Ávila, which did not put an end to it. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Casavieja