The document summarizes aspects of medieval Barcelona such as its narrow streets lined with religious and civic buildings, the backgrounds of its inhabitants, and housing directly connected to the streets. It describes the Gothic quarter representing the medieval past and importance of monarchy and nobility. Specific buildings are mentioned representing the roles of the monarchy, nobility, church, and middle class traders. The Passeig del Born hosted festivals and each guild was placed in a different street in the Ribera neighborhood. However, Barcelona also experienced crises such as the Black Death plague, subsequent epidemics, peasant revolts, and lost maritime commerce due to the discovery of America.