A guide to hand, an audio and app of Valderrey, a village of Len, in your own phone !. A simple and entertaining way to discover the heritage of each of the towns of the Association of Towns in Defense of the Va de la Plata. Enjoyable and intuitive, the only way to know every nook and monuments of this town. Also a memory forever what you've seen and for less than the price of a coffee.Easy and intuitive operation application allows you to discover curiosities and stories of each monument. And iff you get tired of reading you can use your phone's speakers to hear them.