b'THE DOURO VALLEY, DAY 4 GORNERGRAT MOUNTAIN RAILWAY, DAY 6PORTUGAL ANDTHE DOUROFlowing from northern Spain to the Atlantic in Porto, the Douro River carves our route through a rolling landscape of vineyards. Discover ever-changing scenery and culinary delights as we continue to vibrant /isbon, with its Moorish influences, colourful houses and charming streets.LISBON, DAYS 9-11PENA PALACE, SINTRA, DAY 1062 SPAIN AND PORTUGAL'