It was a waiter in Aix who first gave us the idea. “If you love Aix”, he said as he put down our sparkling golden beers on the table, “then please go to my town, Arles. It is even more beautiful than Aix”. Well, it’s going to have to go some to achieve that, but maybe we should give it a go – why not? And so we hatch a new plan. Counter intuitively, all the websites tell us it’s quicker to make the journey between the two towns by taking one train down to Marseille and another back up country to Arles, which feels a bit like going from…