It's in the Alps, on the edge of Europe's highest peak, that we're going to discover the wonders of this high-altitude region. From peaks to plains, from remote mountain huts to the Parc des Écrins, it's time to take a deep breath! Our journey begins in Chamonix, at the foot of Mont-Blanc. Then it's on to the Maurienne valley, the longest in the Alps. This valley is famous for its fortifications,
