Underground Project 131, Underground infrastructure system in Hubei, CN
Underground Project 131 is a complex military infrastructure located in Hubei, China.
The system was conceived and built in the 1960s, during the height of Cold War tensions.
Now a public museum, it provides insight into Chinese military history and strategic thinking.
It's an interesting site for visitors interested in military history and infrastructure.
It's one of the few preserved underground military infrastructures open to public in China.
Location: Hubei
Inception: 1960s
Sources: Wikimedia, OpenStreetMap