When we think of Portugal, we think of Port. This isn’t surprising – after all, the Douro Valley makes up one of the world’s oldest and most beautiful wine regions, and has the distinction of having one of the world’s first recognised appellations, awarded just after those of Chianti, Tuscany and Tokaj, Hungary, in the 18th century. While the undulating hills of the Douro Valley allure most travellers to Portugal,