b'LISBONLISBON AND DOURO CRUISE 5-STAR MS DOURO SERENITY3-DAY TOUR + 8-DAY CRUISE FROM 3,095Fly to Lisbon and explore Portugals dynamic capital, including a private tour on a vintage tram, and visit colourful Sintra before a fantastic seven-night cruise along the golden Douro.PORTO SINTRAS NATIONAL PALACE102 THE DOURO RIVER'