A second underground hollow space was discovered in Tokyo’s Chofu city that neighborhood residents strongly suspect is associated with underground tunnel work by an expressway operator ...
Underneath Tokyo’s bustling metropolis lies a maze of concrete tunnels built by Nippon Telegraph and Telephone Corporation to hold telephone and Internet cables. Photo: Alexander Martin/The Wall ...
said it started digging the material-transport tunnel in June and has completed 10 percent of the work. Maglev trains are expected to connect Tokyo and Nagoya in just 40 minutes, less than half ...
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