A manhole cover is generally deemed successful if its round shape keeps pedestrians from plummeting into the earth, and communicates the subterranean systems below through its design. New York City ...

Every day millions of people step right over manhole covers and pay them little attention. Don’t feel bad about this; they're meant to be ignored. If these pieces of ubiquitous urban industrial design ...

Your donation today will help MinnPost continue to report on the news you need. In downtown Minneapolis on Nicollet Mall, and on 6th and 7th Streets between Nicollet and Hennepin, you can find a few ...

The Napa Sanitation District wants at least some local manhole covers to have a bit of flair — and to clearly identify the agency. It wants to put its distinctive stamps on those round metal discs ...

Information about a manhole cover is seen on the dedicated project app. (Mainichi/Tomohiro Shibata) CHIBA -- A contest to see who can take the most photos of different manhole covers across several ...