Panorama view of rabelo boats a traditional Portuguese wooden cargo boat on Douro River during sunny day - Old town with historical buildings in background

douro river rabelo boat traditional wooden cargo boat old town cityscape river blue sky porto waterfront establishing shot monument water historical hill oporto port wine vila novo road boat sun riverbank background rivershore promenade tourism magnificent port pier history building ancient unesco panning shot shoreline portugal over historic famous aerial view old town shore sunny day aerial cross bridge slow motion anchored