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 Clinton Light Port Clinton Light Port Clinton Light is a lighthouse in Port Clinton, Ohio at the northern end of Waterworks Park. It previously had been on the outer end of the west pier which is located in the city's harbor entrance. This lighthouse has two incarnations which were built with different materials. Only the present structure survives as it was moved to a marina and replaced by a skeleton tower in 1952. The marina in turn sold the lighthouse back to the city, and it was placed in the park fully restored. At just , Port Clinton Light is the shortest