Visitors to his office had to negotiate an obstacle course of furniture on approaching his desk, the better to dissipate the frigidity that came in with them.

This preliminary round saw competitors having to negotiate an obstacle course with the goal of reaching an end zone.

Drivers are scored on how quickly they can negotiate the obstacle, and must find the fastest route through each.

The sport involves traversing rock faces, negotiating obstacles and swimming round the coastline.

Junior's 'brain' can now receive images, which look like a real-time video game, and image-recognition software enables it to recognise and obey traffic lights and negotiate obstacles.