The train expert you don't know you need

Li Xin, 32, the head conductor on the Jilin city-Shanghai high-speed rail, shares her train knowledge on Douyin as "Tie Xinran". Her video about a "green skin" train gained 100,000 likes.

Editing videos is her hobby during break time. Passengers often recognize her, saying they watched her transfer guide, which made their trips smooth. Li aims to continue being an "online conductor", adding convenience and joy to journeys through her videos.