Infra Sugoroku

From huge dams and power plants, tunnels through mountains to small bridges in our neighborhoods, our daily lives are based on a lot of infrastructure. "Infra Sugoroku", you can see a total of 8,761 dams, power plants, airports, ports, tunnels, levees, man-made lakes, canals, water treatment plants, and infrastructure-related museums. Enjoy infrastructure tourism! "Infra Sugoroku" is free of charge and improve performance and experience continually as CSR activity, so your positive feedback boosts our motivation!