Part 11/11:

Beneath the vibrant and ever-evolving surface of Beijing lies a world of extraordinary complexity—ranging from ancient relics to modern technological marvels. The underground of Beijing is much more than mere tunnels; it is a living history that encapsulates the city's shifting ideologies, ambitions, and the stark realities faced by its citizens. As exploration continues, the secrets below the surface will undoubtedly shed further light on the continuously unfolding story of this historical metropolis.