Feature: Railway workers shine in China's transport development

BEIJING, March 2 (Xinhua) -- For over 20 years, Huang Tao has worked as a "railway doctor," walking over 35,000 km along the tracks detecting flaws within the rails.

As a railway flaw detection worker in northwest China's Ningxia Hui Autonomous Region, Huang's job is to check the rails within his section each month. "We always need to work extra hours during the Spring Festival travel rush and holidays, but it's