And they were not teleoperated. Right? Nobody was telling them go left, go right, or giving them a predescribed path. No. They were given a task: move sand from this area to that area.
Y no fueron teleoperados, ¿sí? Nadie indicó ir a la izquierda, a la derecha, ni dio un camino predeterminado. No. Les dieron una tarea: mover arena de esta zona a esa zona.