The permission question
Six photographers on when they ask, when they do not, and why they changed their minds.
Forty years on the same four streets, and what the pictures finally showed
We spent a month with an archive of 12,000 negatives shot within half a mile of one junction, and found a portrait of a neighbourhood nobody set out to make.
Working in one place
The case for photographing a single street for a decade instead of forty countries once.
Contact sheets
Three famous images shown with the twelve frames either side of them.
