The Bombo of Chapinería Monument · Chapinería, Sierra Oeste, Madrid A shelter for travellers on a square plan with a vault of brick and stone, built around 1750 beside the royal road from Madrid to San Martín de Valdeiglesias to give shelter to the poor and to travellers; it is already mentioned in the Lorenzana Reports of 1788. Photo: Joan Morales (Public domain) What to see and do in Chapinería