Drone reveal shot of Dom Luís I Bridge – double-deck metal arch bridge over the River Douro between the cities of Porto and Vila Nova de Gaia in Portugal

oporto vila nova de gaia porto ponte de dom luis i douro river douro luis i bridge portugal bridge dom luis panoramic portuguese aerial town panorama city tourist destination infrastructure drone tourism channel center travel building downtown architecture metro line european construction work metal arch urban walkway construction 4k europe tram cityscape doubledeck old transport forward flight cloudy landmark day outdoor reveal establishing famous