Our drive back to the border was without rush, so we took the regular, PAVED, route instead of the bone rattling one we had taken on the way to Argentina. We drove back through the steppes, with lots of sheep along the way. Milthon told us that, although the sheep adapted to the area, it is causing problems with the environment because they pull out the vegetation by the roots, and it is so windy that the thin layer of top soil is flying away, and about 25% of the area is now ruined. Also, the sheep have a shorter lifespan there, because the tough vegetation wears out their teeth, and they will die of hunger after about 5 years. Poor things! We did see some gauchos along the way with some of their cattle, but
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