11th Manhole Summit’s Reporting
In October 2023, I participated in the event called Manhole Summit. This is a report of the event.
Utsunomiya City, Tochigi‘s Manhole Cover
Introducing Utsunomiya City,Tochigi`s manhole cover.
Ojiya City, Niigata’s Manhole Cover
Introducing Ojiya City,Niigata`s manhole cover