The Country's First Solar-powered Underpass was put into use

The country's first solar-powered, LED enlightened underpass was supplied with powder and the lights are turned on in front of the city hall in Yuelu avenue, Changsha on Nov, 5. It is known that the cost of one-time solar energy transformation for each underpass is about 150,000RMB. But the cost can be recovered in 10 years. And it can save electricity as much as more than 100,000kwh in this ten years.