BANGKOK, Sept. 20, 2015 (Xinhua) — Cyclists start off during the “Bangkok Car Free Day 2015” biking event in Bangkok, Thailand, Sept. 20, 2015. About 30,000 cyclists joined a biking procession on Sunday and rode eight kilometers in Bangkok’s do

BANGKOK, Sept. 20, 2015 (Xinhua) — Cyclists start off during the “Bangkok Car Free Day 2015” biking event in Bangkok, Thailand, Sept. 20, 2015. About 30,000 cyclists joined a biking procession on Sunday and rode eight kilometers in Bangkok’s downtown to mark the “Bangkok Car Free Day 2015”. (Xinhua/Li Mangmang/IANS)

BANGKOK, Sept. 20, 2015 (Xinhua) — Cyclists start off during the “Bangkok Car Free Day 2015” biking event in Bangkok, Thailand, Sept. 20, 2015. About 30,000 cyclists joined a biking procession on Sunday and rode eight kilometers in Bangkok’s do