Posted by:
Lazer
(---.dsl.chcgil.sbcglobal.net)
I noticed some unusual concrete structures in alleys. They have a hinged metal lid on the top and another one facing the alley at the bottom. Does anyone have any idea of what these are called and what they were used for? My guess is that they were for hot coals, but I really have no idea.
2009 goal: visit and document (blog and photos) all 77 Chicago community areas. http://77neighborhoods.blogspot.com