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.

Code: MADIAOFF8. Coupon code is required.

More videos

CNET 22 Sep 2019 14:00 CEST

The best oled TV of 2019