Stock photography, photos: Portugal Porto Red Roof Cathedral Stock photos of Portugal Porto Red Roof Cathedral Photograph: © Sami Sarkis Click for a larger image and more information Keywords associated with this stock photo: Arc052, Portugal, Porto, Red, Roof, Cathedral, Cityscape, Street, Aerial, View, Architecture, Monument, Town, Building, Religion, Urban,, Urbanism, City, Above, Downtown, Day, Travel, Sun, Sunny, Best