sentences:  However, the municipal council of Porto asked the "Direção-Geral do Património Cultural" ("Directorate-General for Cultural Patrimony") to avoid a decision on the project, as it was being rethought.The bridge is situated in an isolated, urban area over the River Douro between the granite banks, where the Cathedral of Porto and the escarpment of the Serra do Pilar, forming a box valley.It is from the bridge of D. Maria Pia and, farther along, the Arrábida Bridge.