Milan manhole cover
Ottawa, Canada Manhole Cover
Manhole Cover Albuquerque New Mexico
Year 2000 manhole covers designed by Karim Rashid for ConEd.
japanese manhole covers..
Manhole Cover - Paris, France
A manhole cover found outside of Tokyo photographed by Joshua Williams. Apparently manhole cover art is fairly common on the streets of Japan. via examiner
Walleye fish art manhole cover in Minneapolis, Minnesota