Aerial shot of the Louis I Bridge and the subway passing by. and the Douro River in Porto, Portugal.

4K Resolution Aerial View Architecture Bridge - Built Structure Building Exterior City City Life Cityscape Cruise - Vacation Douro River Downtown District drone Drone Point of View europe Famous Place Film - Moving Image Formal Garden HD Format History Horizontal Iberian Peninsula Nautical Vessel No People Non US Film Location Old Outdoors Port Wine Porto - Portugal Portugal Portuguese Culture Recreational Boat River Rooftop Sailboat Sailing Ship Scenics - Nature sky Tawny Port The Douro Town Transportation travel Travel Destinations UNESCO World Heritage Site Urban Skyline Water Wine Wine Cellar