The Arts: Sewers of the World, Unite!

Years ago, decades actually, I was involved with a project to make a documentary record of the manhole covers of Manhattan. Great minds, etc., it turned out that someone else had the same idea and a better publisher. Oh, well. As Doris Lessing once said, "there are ideas around." A collection of 3,036 images of manhole covers and grilles from 70 coutries: <http://sewers.artinfo.ru/>