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 ...

Manholes are an essential yet overlooked part of urban infrastructure. They provide access to the underground systems that are important for maintaining the flow of water, sewage, and electrical ...

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 ...

TAIPEI (Taiwan News) — Fancy manhole covers are now part of the magical mystery Taipei tour, after a city government drive to spruce up the metropolis and provide tourists with some fun culture and ...