The Reconnaissance Work of Qinghai-Tibet
Railway Go on
In spring
the reconnaissance work of Qinghai-Tibet railway tensely carries
through. Despite the want of the oxygen and the dicky climate, more
than 1700 reconnaissance personnels tried their best to work night
and day.
In spring
the reconnaissance work of Qinghai-Tibet railway tensely carries
through. Despite the want of the oxygen and the dicky climate, more
than 1700 reconnaissance personnels tried their best to work night
and day. 