.....Archaeologists find network of ancient tunnels at Houchengzui!
— Orero Creations (@OreroCreations) December 29, 2023
Archaeologists excavating at Houchengzui in the Inner Mongolia Autonomous Region have uncovered a network of ancient tunnels.
Houchengzui, also known as Houchengzui Stone City, is an archaeological site located on… pic.twitter.com/eMF8NXRLw1