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Employees work on Brompton folding bicycles in the assembly area inside the Brompton Bicycle Ltd. factory in London, U.K., on Friday, May 13, 2016. The Brompton was created in 1975 by Andrew Ritchie, a Cambridge-trained engineer. Photographer: Simon Dawson/Bloomberg via Getty Images

Employees work on Brompton folding bicycles in the assembly area inside the Brompton Bicycle Ltd. factory in London, U.K., on Friday, May 13, 2016. The Brompton was created in 1975 by Andrew Ritchie, a Cambridge-trained engineer. Photographer: Simon Dawson/Bloomberg via Getty Images