China has just finished an amazing feat of enginneering. A railroad from Beijing to Tibet. This is incredibly difficult terrain. Much of the track is above 13,000 feet above sea level. The highest being 16,400 feet.
The elevation is so extreme, and the mountain air so thin, that ballpoint pens and packaged foods sometimes burst. And if you take your laptop computer or MP3 player, watch out. Tiny air bags that are used to cushion disc drives are likely to pop.
At a cost of $4.2 billion. The railway is peanuts when you look at the big picture. The Chinese government has pledged to spend as much as $250 billion to upgrade its passenger rail system by 2015
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