Woman going down main staircase of Palacio da Bolsa in Porto during a visit

woman going down staircase palacio da bolsa porto visit people palace arch arcade shield trade association of porto portugal stairs clock windows balustrade railing stone unesco heritage visitor touristic tourism museum steps neoclassic architecture patio interior national monument monument landmark attraction travel arab joaquim da costa lima sumptuary luxurious bourgeoisie royalty finishes decoration lantern stock exchange old rich castle