China's CR450: Setting a new benchmark for high-speed rail

From the CR400 to the CR450, China's high-speed rail has achieved another technological leap. Behind the title of "world's fastest" lies not only a breakthrough in speed, but also the needs of the people and the demands of the country. In this episode of Decoding China, China Daily interviews Zhao Hongwei, chief researcher at the China Academy of Railway Sciences, to help you understand China's high-speed rail journey of advancement driven by speed, innovation and people's well-being.