On a recent visit to the French Ardennes, a region of rolling landscapes and wooded hills north east of Champagne, it struck me as being more populated by cows, chewing gently in fields, than people. Tourists tend to be Dutch, Belgian and, of course, French although last year visitor figures for us Brits were up. And this year the northern part, to the north-west of its capital Charleville-Mézières, became France’s newest — and largest — regional national park.