China's 350-kilometer/hour bullet trains are changing the way the Chinese travel. But to maintain that high speed, safety and travel experience, thousands of people have to engage in laborious, sometimes physically challenging, maintenance work. Thanks to technology, more robots have now been introduced in improving the efficiency and safety during maintenance tasks.

Advertisement
25% Off Select Columbia Clothing and Outwear at EasternMountainSports. Shop Now! While Supplies Last!

More videos