All four of them appear, at a stop midway through the trip, with the fun-loving demeanor of a family vacation. These camper van trips are also behind the Xerigots space that Gemma Urgell and her partner, Jordi Bertran, created in Vilafranca del Penedès. Now they have published Formatges (Rosa dels Vents), with recipes and tips, and also the explanation of their craft: that of a cheese affineur.