Behind the scenes of the world's first factory-backed GR Yaris rally car

A group of five shuffle alongside a hugely modified Toyota GR Yaris. "It's no different from building a V8 Supercar," says Neal Bates, boss and owner of factory-backed Toyota motorsport outfit Neal Bates Motorsport. "Look at how many people there are here, one... two... five I think? Not bad, considering the output."