park guell, barcelona, catalonia: columns and viaducts ed by antoni gaudi.

antoni architecture art attraction barcelona catalan catalonia ceramic city cityscape columns culture detail details empty gaudi gingerbread guell house icon iconic landmark modernism modernista mosaic artnoveau park path rooftop sight spain stone structure touristy travel trees trencadis vegetation viaduct viaducts recognizable icons place barcelona's view park icons unusual Güell Gaudí