The Met Office has issued the second highest heatwave alert for all of Britain as the country endures extreme heat.
The level three amber heatwave warning is one behind a national emergency and has been issued from 9am Monday to 9am Thursday, as forecasters anticipate highs of 33C (91.4F).
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On Monday the temperature reached 32C (91F) at RAF Northolt, west London.
The capital has seen its fair share of heatwaves throughout history though.
Here’s how Londoners coped with the heat over the past century...
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Onlookers lean over the bridge to watch people paddling in the Serpentine to cool off during the August 1911 heatwave.
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A group of boys paddling in the fountain at Trafalgar Square to cool off during the heatwave of August 1911.
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Men cover their heads with newspapers to protect them from the summer sun in July 1913.
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Nannies with their charges under a tree in Kensington Gardens, London, during a heatwave in 1913.
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Two clerks remove their jackets as they walk through Hyde Park in London, during the summer heatwave of May 1914.
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Three boys eating and drinking outside their improvised den during a heat wave in Regent's Park, circa 1920.
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A roadman spraying down the dust with water in Temple Gardens, London, during a heat wave, 1925.
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Two young ladies enjoy a cooling summer breeze on the roof of Australia House in London, 1926.
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A coach horse gets drink from its driver during the big heat wave of 1930.
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Londoners in bathing suits taking advantage of a heat wave at Hyde Park lido in 1933.
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Four young girls cool off in a London bath, 1935.
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Children enjoy a cooling drink from the fountain on Clapham Common in August 1937.
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Two young women in the Embankment Gardens, London, wearing Dolly Varden Sun Bonnets in 1939.
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A three-year-old boy playing in a fountain, during a heatwave, at Hampton Court Palace gardens, August 1947.
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A queue two miles long of holidaymakers at trying to get the seaside at Victoria station during the heatwave of 1949.
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Londoners sunbathing in Hyde Park in 1952.
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Sunbathers sit by the Serpentine at Hyde Park during the heatwave of 1954.
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Five thousand people sunbathing in the Serpentine Lido in the sweltering London heat in 1961. At 4pm, the temperature reached 33C, equalling the record of 3rd June 1947.
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Actress Lillimore Knudsen tries to fry an egg on the rooftop of a building in the London heatwave of 1955.
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Crowds of people at Victoria Station in London waiting for trains to take them on their summer holidays in 1958.
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A group of women sunbathing in a circle at Purley Way Swimming Pool, Croydon, South London, in 1960.
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The Oasis swimming pool in Holborn, one of the few cool spots among London's towering office blocks in the summer of 1969.
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A couple in swimwear on a stroll through a park with their child and his pram, east London, circa 1970.
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A little girl making the most of the 29C heat during the July 1971 by paddling in the fountain in London's Trafalgar Square while the adults cooled off their aching feet.
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Journalist John Wilson arrives at Fleet Street in shorts and vest as the 1975 heatwave in London continued.
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A Londoner sunbathing in Kensington Gardens with a knotted handkerchief protecting his head from the sunshine in 1976.
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The scene at the Serpentine in London's Hyde Park as people enjoy the heatwave of 1976.
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