Witnesses (9) Testigos (9) Témoins (9) témoignage (9) Enquête (6) Didactique (5) Agriculture (3) Walking (3) Vision (3) Time (3) Light (3) Gait in humans (3) Luz (3) Vista (3) Tiempo (3) Agricultura (3) Agriculture (3) Temps (3) Lumière (3) Temps (3) Marche (3) Lumière (3) Vision (3) Agriculture (3) Alpes (3) place (3) agriculture (3) lumière (3) vision (3) Alpes (3)