A bullet train runs on snow-capped track of Harbin-Dalian high-speed railway, Dec 3, 2012. [Photo/VCG]

Operated on various terrains

One of the outstanding features of Chinese high-speed railway is that the train can run on various terrains, braving various climates.

For instance, Harbin-Dalian high-speed railway, the world's first high-speed railway operated at high latitudes and low temperatures, has been in service for nearly 5 years.

The 653km-long round-island high-speed railway in South China's Hainan province is also the first one of its kind in the world.