It's the furthest he's been from the station, right at the very edge of the range for the little radio clipped to his belt. It hisses and crackles every time he moves behind one of the big boulders out this way, so he knows that he can't go any farther. The whole desert stretches out in front of him, but he's tied to the station -- that little bright building, barely visible in the distance. He doesn't want to leave, but he doesn't like feeling that he can't.

But then, from a side road, a familiar face! "Mr Livio!"