Bridge, arch bridge Ponte Dom Luis I over the Douro, Night Scene, Porto, Portugal, Europe

arch bridges arch bridge architecture at night attractions attraction bridges bridge centro histórico cities city center city centres city centre cityscapes cityscape city view city constructions construction douro subregion douro duero european europe famous place high angle shot high angle view high angle view historic center historic centre historic city center historic city centre illuminated illuminations illumination night photograph night shot night nobody no one no people old towns old town outdoors outside overviews overview place of interest ponte dom luís i bridge ponte dom luís i porto portugal portuguese rivers river sights sight southern europe south europe steel buildings steel building town travel & geography travel photography unesco world heritage sites unesco world heritage site views view waters water