Keywords: Ponte Maria Pia (02).jpg Photograph Unknown en Maria Pia Bridge construction pt Construção da Ponte D Maria Pia between 1876 1877 Technique photograph b w Institution Calouste Gulbenkian Art Library object history exhibition history credit line accession number CFT003 034886 ic http //www flickr com/photos/biblarte/4088635131/ Info / Pic PD-old-auto 1915 Emílio Biel Ponte Maria Pia Porto in the 19th century Files from Calouste Gulbenkian Art Library Bridge construction in Portugal Files uploaded by User JotaCartas Historical images of bridges in Portugal |