When CGTN host Sergey first rode the Lhasa-Nyingchi Railway — Xizang's first electrified line - little did he realize how deep his feelings were destined to become. "No matter where the train takes you, you are always welcome and received with open arms", he says. To see what Sergey witnessed on that journey, join us on 'Highway in the Sky' for an express service on the very roof of the world!