barcelona, spain - april, 2019: the four columns, created by josep puig i cadafalch, is on the place in front of museu nacional d

antique architecture art attraction barcelona baroque blue building cadafalch catalan catalonia catalunya columns decoration element exposition exterior font fountain four josep magic mediterranean mnac montjuic mountain museu museum nacional national old outdoor palace palau pillars roman royal sculpture shape sky spain stone style symbol tourism tourist traditional travel tree white