Tour de France's commercial carnival

BBC Sport's Matt Slater looks at the carnival atmosphere at the Tour de France as the teams dish out free merchandise to the 12 million people lining the streets of the race each year.

Britain's Chris Froome currently leads the 2013 Tour for Team Sky, while Sir Bradley Wiggins won the event last year.

The Tour de France comes to Britain next year with two stages taking place in Yorkshire and one from Cambridge in London.

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