alt Hacker NewsI've not lived in London for more than a decade. I always thought the black snot was from the Tube. Is it not?
Replies
lazide • today at 3:32 AM
It is, but not just from it.
I've not lived in London for more than a decade. I always thought the black snot was from the Tube. Is it not?
It is, but not just from it.
I lived on Upper Street in Angel, London by some traffic lights and there was always a layer of black dust inside. I assumed it was brake particulate.