panoramic exterior view at the bilbao downtown city, nervion river and river banks and iconic buildings

architecture bilbao city euskadi bizkaia basque country vizcaya paashy vasco espaaplusmn nerviasup3 river areatzako zubia casco viejo kioskoa building biscay spain tourism cityscape nervion europe artxanda travel downtown panorama panoramic estuary piece heritage monuments guggenheim modern contemporary art museum titanium visit maman spider salbe puente salve bridge exterior view banks iconic buildings 2021: