A Thames Clipper catamaran makes its way towards Putney pier in London, U.K., on Friday, Feb. 12, 2016. The Thames Clipper river bus service added two new high-speed catamarans to their fleet last year and the river transport network has installed pay-as-you-go Oyster readers on all piers served by the Clippers. London Mayor Boris Johnson launches a River Action Plan in 2013 to increase Thames passenger journeys to 12 million by the year 2020. Photographer: Chris Ratcliffe/Bloomberg via Getty Images
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