While Zurich is home to more than 50 museums and 100 art galleries, take a crash course in the weirder side of the city at the Moulage Museum, part of University Hospital Zurich.

BBC: The stranger side of Switzerland

Reconnecting a mere 10% to 15% of nerves across a crushed spine may be enough for paraplegics to regain limited walking ability or for quadriplegics to be able to use their hands again, estimates Dr. Volker Dietz, who treats spinal cord patients at Balgrist University Hospital in Zurich.

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Prof Courtine said he was optimistic patient trials would begin in "a year or two" at Balgrist University Hospital Spinal Cord Injury Centre in Zurich.

BBC: 'Hope' for the paralysed?