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Use the optical illusion to make people safe!
Immediately after turning on the red signal, the beam projection is
radiated from the signal light and the road has the speed bump to
appear, and this is to show the needs to stop the car in more visually
certain look to have the driver to promptly reduce the speed to stop.
This optical illusion is the design to keep the safety of the pedestrian.
When the green light is on, the speed bump is disappeared.
Seoul, South Korea
Sungnam-Si, Gyunggi-Do, South Korea
Manho Kim, Jiyeon Kim, Kiwoong Yang, Sungeun Na