This aerial photo shows a freight train bound for Ulan Bator, Mongolia, pulling out of a station in Tianjin Port in north China's Tianjin, Sept. 18, 2023.

Since the beginning of this year, north China's Tianjin Port has seen nearly 500 China-Europe and China-Central Asia freight train trips. The freight train service is of great significance to further promote the coordinated development of the international logistics in the Beijing-Tianjin-Hebei region. (Xinhua/Zhao Zishuo)