Potosi, Bolivia
Potosi is the highest city in the world, sitting up at 4,060m above sea level. At this altitude there is only 63% oxygen in the air compared to sea level which makes any exercise a whole lot harder. We needed to buy tickets from the bus station, 4km away, down the hill, so we figured taking the local micro bus would be better for our lungs. It seemed more than 4km away and we managed to see a lot of the city we wouldn't have otherwise. At Nueva Terminal, we...