Today we have made the journey across the border from Salta in Argentina to Tupiza in Bolivia. As always in South America the journey has been interesting and far from straightforward!! It was an early start as the bus was departing from Salta at 7.15 am. We were up at 5.30am and left the hostel at 6.15am to make it to the bus station with plenty of time to spare. The bus departed on time, which to be fair they have always done in Argentina. After our last j...