Áurea street (c ommonly called street Ouro ) belongs to the parish of St. Nicholas , begins at Commerce Square at number 11 and ends at Praça D. Pedro IV ( Rossio ) . This road connects the Commerce Square ( Palace Square ) , Square D. Pedro IV ( aka Rossio ) . It is one of the most beautiful roads of the civil architecture of Pombal , stolen in part to the Tagus River , with their buildings based on wooden piles preserved by the flow of the river that floods the basement . In these pictures we can see the street in your walk its length in a cobblestone , perspective view of the Santa Justa Elevator in Baixa Lisbon . http://aps-ruasdelisboacomhistria.blogspot.com Photos: Celso Gonçalves Roc2c