Osaka.
In 95% of Japan’s 1,780 municipalities you will find artistic manhole covers unique to each city and town.
With over 6,000 manhole cover artworks, it’s no surprise that spotting and photographing them has become a hobby for many.
[A]ll manhole covers are forged in Nagashima Foundry from carved master plates that have all been preserved in a central library.
Kuwana Mie
Yakage Okayama
Takamatsu Kagawa
Images by S Morito (MRSY on flickr).
Via Twisted Sifter. Check out the Twisted Sifter for many more representations of this.