Panoramic shot of Porto City with train crossing Douro River on Bridge during sunny day - Beautiful old buildings in old town with blue sky - establishing shot

porto city train old town douro river bridge blue sky shi nrp sagres dock navy ship sun building panoramic establishing shot cityscape river oporto culture hill rabelo boat shore monument vila novo aerial road riverbank promenade tourism metal arch bridge ponte dom luis i port street pier unesco panning shot port wine shoreline portugal rivershore historic ancient ponte dom luis buildings aerial view town boat background water visit