Before we begin our trek back to Lukla, we thought we would share some thoughts and observations from the top of the world. In no particular order ... In the Himalaya, everything ... absolutely everything ... is transported up the mountain valleys without the use of the internal combustion engine ... that is ... on foot. Yaks or Sherpa carry everything needed to sustain civilization (food, water, fuel, plywood, two by fours and even beer). During the day, there is near constant traffic up narrow trails to the higher villages and trekkers have to get out of the way of these pre-industrial caravans. In addition, because transportation is so labor intensive (or Yak intensive) , things get more expensive the higher up you go. For example, a liter of water that is $1 in Namche Bazaar
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