NAHA–Almost 80 years later, wooden pillars still support the tunnel walls alongside bottles ... Constructed between 1944 and 1945, the underground complex features five tunnels totaling roughly ...

China has unveiled an underwater structure that doubles as a bridge, complete with man-made islands This colossal ...

The T-shaped system in the city’s Hamabira section ... concluded the tunnel system, which covers an area of 5,138 square meters, is part of the Tarumizu Naval Air Corps complex, citing its ...