Summary：Passengers take the 100 percent low floor light rail train in Changchun, capital city of northeast China’s Jilin Province, Oct.

Passengers take the 100 percent low floor light rail train in Changchun, capital city of northeast China’s Jilin Province, Oct. 19, 2012. The train, the first 100 percent low floor light rail train in China, officially started operation on the light rail lines of Changchun Subway on Friday. “Low floor” light rail trains refer to those trains floors of which are no higher than 40 centimeters than the rails. They are more energy-efficient and convenient, especially for the elder and children.