Serpentine Swim - from our story 'Fabulous Photos of the Rolling Stones and the Audience at Hyde Park, July 5 1969'

Teenage girls cooling off in the Serpentine during the Rolling Stones concert in Hyde Park, London, 5th July 1969. (Photo by Reg Burkett/Express/Getty Images)

Teenage girls cooling off in the Serpentine during the Rolling Stones concert in Hyde Park, London, 5th July 1969. (Photo by Reg Burkett/Express/Getty Images)

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