Could Berlin be the next Silicon Valley?
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.
- From the section Technology