Black and white shot over Porto and Vila Nova de Gaia separated by the Douro river in Porto, Portugal at daytime

black and white shot high angle shot porto vila nova de gaia douro river 4k motor boats city riverside houses homes portugal architecture attraction boat building cityscape culture destination douro europe european evening famous gaia historic holiday landmark landscape old oporto panorama portuguese river tour tourist town train transport transportation travel vacation valley tourist destination buildings roads road scenic scenery