At the base of Rua Augusta stands Lisbon's tribute to the post 1755 earthquake reconstruction ... the Rua Augusta Arch. The mammoth arch leads to Praca do Commercio one of Lisbon's most recognizable attractions . On the square side of the arch,are statuary including one of the Marques de Pombal. Marques de Pombal is credited with rebuilding the Baixa area of Lisbon in the grid -like pattern. Rua Augusta is a pedestrian only walk lined with delightful shops and lots of tourist friendly restaurants.