Unreliable memories! Yesterday I misremembered Bletchley market canopy in the 1970s as a block of white plastic mini-teepees, but after searching for photos online, I discover that it was actually a block of white toadstools or funnels. The photos are mind-boggling: the juxtaposition of that futuristic canopy with the traditional headscarves, rain jackets and shopping bags of the middle-aged women doing their shopping there. It looks far more dated than similar photos of the 1930s or 40s!
I found the first photo on the CLUTCH website (clutch.open.ac.uk) and the second on Flickr. I hope nobody minds me using them.