Street crossing that is safe to cross

Name :
Hirotake Kai
COUNTRY :
Japan / Hiroshima
AGE :
8
YEAR :
2013
PRIZE :
The Prize of the Chairman of Hatsumei Kyokai
COMMENTARY :
When the traffic light turns red, safety bars rise from the surface of the street, and people can cross the street safely. When the traffic light turns green, the bars lower and cars can pass.
Street crossing that is safe to cross