London before the fog was lifted
Friends abroad and who have never visited London are often under the illusion that the city is shrouded in impenetrable fog for much of the winter. I can remember when thick, thick fog was a regular winter occurrence, but all that changed with the measures taken to ban coal fires and other atmospheric pollutants. Today, fog is a rare visitor and is never as dense, nor as laden with unpleasant black blobs, as it used to be.
This collection of atmospheric black and white photographs of pre-war London by night gives you an insight into the city as it was. You can browse the photograhs here at the Telegraph.