How are China's high-speed rail tracks laid?

Name: How are China's high-speed rail tracks laid?
Uploaded: 2018-05-20T01:34:14-07:00
Duration: 1192 s
Description: How are China's high-speed rail tracks laid? Watch this report from Ningxia, where a high-speed railway linking the region's capital with Xi'an, home of the Terracotta Warriors, is being constructed.