The first part (paragraph 1~3) describes the commencement of the Qinghai-Tibet Railway, a landmark project of the western development.
The second part (natural section 4~ 10) describes that the builders in the west overcame various world problems and finally completed the 1388-meter wind-volcano tunnel.
The third part (1 1 natural section) describes the whole line of the Fenghuoshan tunnel, which indicates that the construction of the Qinghai-Tibet railway is in sight.
Extended data:
Building a railway to Lhasa is a great article:
This is an article full of high spirits and heroism. The article tells that the builders in the west have overcome world-class problems and international technical difficulties with wisdom and strength under the conditions of cold and hypoxia, harsh natural environment, fragile ecological environment and extremely difficult construction conditions.
It has created a miracle of railway construction in the world, that is, the tunnel with the highest altitude in the world-the wind volcano tunnel. The article is clear and informative. Between the lines, it contains praise for the wisdom, strength, hard work and dedication of the builders in the west.