The Rastro
(Tirso de Molina)
The Rastro began as an open-air market of the offal and entrails from the animals killed in a nearby slaughterhouse. The name comes from the "rastro" (trail) of blood that ran down the streets. It is mentioned in works by several authors: La Guarda prodigiosa (Cervantes), La varona castellana (Lope de Vega), Hombre pobre todo es trazas (Calderón de la Barca) and El Caballero de Gracia (Tirso de Molina).