I stare at a large photograph hanging on the living room of this apartment for rent in the Eixample. There is a person on his back, in a desolate landscape, with a suitcase. The proprietor explains me that she bought that photograph as a tribute to travelers, people coming and going ... just like her. And all of a sudden I recall the words of a philosopher: "It remains true, regardless the age, that when you go out to see the world, better do it holding hands with someone and continue together the way ...".