China's Qinghai-Tibet Railway is running across Kunlun Mountain March 30,2007.Qinghai-Tibet Railway has continued running without major problems throughout its first winter of operations.[Xinhua]

Officials with the company said that special measures taken to protect against the danger of the railway's foundations becoming frozen in the harsh conditions worked well.

They said that while some sections were affected by the freezing conditions the consequences were not serious.

They also said that signal equipment on the line performed as designed over the winter.