When an array of emerging modem railways bring immediate benefits to China’s mountainous and iso- lated regions, no one doubts that the country is moving on a fast track toward prosperity. But building railways in China can never be an easy job given its complex geological conditions and a growing need for faster and easier transportation. What it takes to tunnel through towering moun- tains and lay tracks in vast deserts goes far beyond the toil of construction workers. By flexing its scientific and technological muscles, China has raced ahead of most other countries in the competition of railway engineering.

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