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A young boy playing on an old bicycle frame on a muddy street in the small mining village of Courcelles-les-Lens in Northern France in 1967. (Photo by John Bulmer/Popperfoto via Getty Images)

A young boy playing on an old bicycle frame on a muddy street in the small mining village of Courcelles-les-Lens in Northern France in 1967. (Photo by John Bulmer/Popperfoto via Getty Images)