The Border crossing between Argentina and Bolivia at Villazon is amusing. The two countries are connected at this point by a bridge, with immigration offices on both sides. The funny thing is that nobody enforces the people going to Bolivia to enter them, so one can just walk by. This is what happened to me by mistake. When I tried to correct it, I realized that crossing back to Argentina wasn't that simple, but after some explanations I managed to stamp my passport. The border town of Villazon wasn't too inviting, so I took straight away a train to Tupiza, a few hours away. I was expecting Tupiza to be similar to Villazon and the image I had of Bolivia - a 3rd world country with allot of poverty and problems. But actually I found a
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