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It's less noisy than wheeled trains, and the maintenance cost for the track is lower. http://www.ebeijing.gov.cn/Culture/EnjoyBJ/t1192828.htm http://www.ebeiji
by vilhelm_s 12y ago
It's less noisy than wheeled trains, and the maintenance cost for the track is lower.
http://www.ebeijing.gov.cn/Culture/EnjoyBJ/t1192828.htm http://www.ebeijing.gov.cn/Culture/EnjoyBJ/t1192828.htm