after the builders of more than a year of hard work, the day before, pull on the railway tunnel through the village of hyperbolic. This is the first day of the railway pull two thousand meters tunnel to achieve safe passage.

reporter learned from the China Railway twenty-one bureau group, pull Japan Railway length of 253 km, an investment of $10 billion 800 million, is the extension of the Qinghai Tibet Railway line. Hyperbolic village tunnel is one of the key in this project, a total length of 2128 meters, is a branch of the second main projects, only 10000th meters long Plateau Basin due to tunnel. (author: Ni Xiaoying)