The Metropolitan Area Outer Underground Floodwater Discharge Channel in KASUKABE
![](https://kashiwagoodwill.org/wp-content/uploads/2019/12/DSC_0572-300x170.jpg)
Welcome to a mysterious underground world !
The two Englishmen gave a happy smile in the popular site.
![](https://kashiwagoodwill.org/wp-content/uploads/2019/12/DSC_0570-e1576671600922-170x300.jpg)
![](https://kashiwagoodwill.org/wp-content/uploads/2019/12/DSC_0564-300x170.jpg)
Welcome to a mysterious underground world !
The two Englishmen gave a happy smile in the popular site.