The G Cans Project is officially called the Metropolitan Area Outer Underground Discharge Channel. Located in Kasukabe city, a suburb to the north of Tokyo, it is a tunnel that is over 6 kilometers long and built about 50 meters underground.
The G Cans Project is officially called the Metropolitan Area Outer Underground Discharge Channel. Located in Kasukabe city, a suburb to the north of Tokyo, it is a tunnel that is over 6 kilometers long and built about 50 meters underground.