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Could Berlin be the next Silicon Valley?

31 March 2014 Last updated at 00:10 BST

Berlin was at one stage famed for its innovation, with electric trams and lifts both originating in the German capital.

A hundred years on, a new wave of hi-tech start-ups are helping it to regain its reputation as a hub for new ideas.

What makes it so attractive as a base for new firms, and could it eventually rival California's Silicon Valley?

Stephen Evans reports.