#001Tokyo Sewerage Design Manhole 001Near the former Mikawashima sewage treatment plant pump station, Arakawa 8-25, Arakawa, Tokyo
#002Tokyo Sewerage Design Manhole 002Indoor display at Tokyo Sewerage Rainbow Museum, Ariake 2-3-5, Koto, Tokyo 23 Wards, Tokyo
#004Tokyo Sewerage Design Manhole 004Kyuu Mikawa Shima Osui Shobun Ba Soku Tsutsu Ba Shisetsu Arakawaku Arakawa 8-25-1, Arakawa, Tokyo
#006Tokyo Sewerage Design Manhole 006Around Cho Daini Honcho Sha, Nishishinjuku 2-chome 8-ban, Shinjuku, Tokyo
Manhole Quest