London was covered in “fog” at the beginning of the 20th Century, culminating in the Great Smog in 1952.
1 July 1907: St Pancras Railway Station.
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1 October 1919: An iceman delivers in the fog.
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1 November 1922: Ludgate Circus.
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1 November 1927: Trafalgar Square, in the daytime.
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