colorful buildings in the old town. porto. portugal

aerial architectural architecture art balconies balcony basilica boats building buildings cais cathedral center centre church city cityscape clustered colorful culture decoration douro downtown europe european exterior hill historic historical houses iron landmark landscape medieval old oporto orange ornate outdoors panorama panoramic picturesque porto portugal portuguese red religion religious ribeira river roof rooftop rooftops scene seafront ships street tiles tourism touristic tower town traditional travel urban view windows yellow