Traffic-light signalling and operation to a double red light. Tianjin in the People's Republic of China has two very special systems of traffic lights, in use since : One system is where there is a horizontal bar in a specific colour, with the colour changing and the bar shrinking. The shrinking bar indicates the time remaining in that colour. The colour itself is either red (stop), yellow or green (go). A blinking green one-third-full bar means "reduce speed now", and a blinking yellow full-bar indicates "proceed with caution". When lights of this system turn from green to red, the diminishing green bar will flash
The Colour of Magic The Colour of Magic The Colour of Magic is a 1983 comic fantasy novel by Terry Pratchett, and is the first book of the "Discworld" series. The first printing of the British edition consisted of 506 copies. Pratchett has described it as "an attempt to do for the classical fantasy universe what "Blazing Saddles" did for Westerns." The story takes place on the Discworld, a planet-sized flat disc carried through space on the backs of four huge elephants – Berilia, Tubul, Great T'Phon and Jerakeen – who themselves stand on the shell of Great A'Tuin, a gigantic sea turtle. The