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
Port au Prince (1790 ship) Port au Prince (1790 ship) Port au Prince was built in France in 1790. The British Royal Navy captured her in 1793 off Port-au-Prince, Haiti. Her original name is currently unknown, but her new owners named her for her place of capture. She became a letter of marque, slave ship, and privateer "cum" whaler. In 1806 she anchored at a Tongan island where the local inhabitants massacred half her crew and then scuttled her. "Port au Prince"s origins are obscure. Although she appears to have been pierced for a large number of guns, perusal of a compendium of French naval