If you have visited Japan, you might have noticed, manhole in Japan are quite interesting.
Every prefecture, cities and town in Japan usually has a manhole with original pictures. It should be fun to check the manhole at every place you visit in Japan.
Here is some pictures of interesting manhole.
Some of the cities have colored manhole.
These pictures are posted on Yahoo map Colorful! Manhole Map.
I think this map is really interesting, so if you are interested, check it out.
Here is a another HP that post pictures of manhole, Yahoo Blog Manhole Musium. This HP has 350 pictures of manhole.
Although I live in Japan, I never put much focus to manhole. I didn’t know that there are so many manholes in Japan. Probably there are much more.
What does manhole in your country looks like?