Tags: infrastructure, g-cans, project, japan, worlds, largest, underground, flood, water, diversion, facility, image, people, scale, structure
Tags: infrastructure, g-cans, project, japan, worlds, largest, underground, flood, water, diversion, facility
Tags: infrastructure, g-cans, project, tokyo, japan
Tags: infrastructure, g-cans, project, saitama, japan, floodwater, drainage, facility, capable, pumping, cubic, metres, water, nearby, river
Tags: infrastructure, g-cans, tank, interior