It must have been that angle I was sitting at, but as I waited for the East London Line to move from Whitechapel station, I saw something in the commissioned decoration I hadn't noticed before - an image of Bengali women sewing with machines and a stereotypically Jewish man and woman standing over them. It's just the decoration on the tube station - and it's quite intricate and fussy you you don't necessarily notice all the detail, but there is was...