typical portuguese wooden boats, called barcos rabelos, used in the past to transport the famous port wine

photo book concept concepts portugal douro urban skyline river valley barcos rabelos oporto porto tradition waterfront city wooden boats water 039 edge portuguese culture travel destinations barrel nautical vessel cask history european europe transportation ribeira quarter hill cellar north shore northern wood material harbor wine commercial dock bridge boat traditional carrier town cityscape typical called used past transport famous port porto-oporto-portugal- porto-oporto-portugal-europe render opened