There was a Tour of Beijing[0], with pollution as one of the concerns[1][2]. Perhaps in the next decade, once China has made more effort to clean up its air an

There was a Tour of Beijing[0], with pollution as one of the concerns[1][2]. Perhaps in the next decade, once China has made more effort to clean up its air and traffic congestion, this will return. [0] https://en.wikipedia.org/wiki/Tour_of_Beijing https://en.wikipedia.org/wiki/Tour_of_Beijing [1] http://www.cyclingnews.com/news/riders-fight-against-pollution-at-the-tour-of-beijing/ http://www.cyclingnews.com/news/riders-fight-against-polluti... [2] https://sports.yahoo.com/news/tour-beijing-stage-slashed-over-air-pollution-000729381.html https://sports.yahoo.com/news/tour-beijing-stage-slashed-ove...