What's missing from this bus?

Tourists visiting the famous waterfalls near the town of Neuhausen am Rheinfall in Switzerland might be surprised by the public transport that's on offer to get them there.

The Trapizio bus is at the cutting edge of vehicle technology.

This is part of the BBC's series, The Disruptors. You can read the full article here.

Camera: Fabian Chaundy; producer: Ben King