After this they came to a shore where there were no less than sixty-five great red parrots with blue tails, sitting on a rail all of a row, and all fast asleep.

Watson is a red desert moonscape on the Nullarbor Plain at the eastern end of the world's longest stretch of straight rail track, 478km (297 miles).

Red has meant stop since long before cars existed, with train signals' use of red dating back to the days when mechanical arms lifted and lowered to indicate whether the rail ahead was clear.