The, also known as the G-Cans Project, is an underground water infrastructure project in Kasukabe, Saitama, Japan built for preventing overflow of the city's major waterways and rivers during rain and typhoon seasons.
The, also known as the G-Cans Project, is an underground water infrastructure project in Kasukabe, Saitama, Japan. It is the world's largest underground flood water diversion facility, built for preventing overflow of the city's major waterways and rivers during rain and typhoon seasons.