Aircraft sit on waterlogged runways at London’s Heathrow Airport one week before Heathrow becomes Britain’s main aerial gateway to the United States, 28 May 1946. Photo by Harry Todd/Fox Photos/Getty Images

Valued exposure: A giraffe takes food from a small child at London Zoo, 1930.
Photo by General Photographic Agency/Getty Images

Valued exposure: Crowds outside King’s Cross railway station in London, circa 1850. Photo by Topical Press Agency/Getty Images

Valued Exposure: Fog at Ludgate Circus, London, November 1922. Photo: Topical Press Agency/Getty images