a beam of light, 一道光

A participant is seen under a beam of light as hundreds of people ride indoor bicycles during a campaign to promote body-building exercises, at a gymnasium in Kunming, Yunnan province, China, Dec. 1, 2015.
December 2, 2015
http://www.voanews.com/media/photogallery/december-2-2015-day-in-photos/3084674.html

A participant is seen under a beam of light as hundreds of people ride indoor bicycles during a campaign to promote body-building exercises, at a gymnasium in Kunming, Yunnan province, China, December 1, 2015. (Photo by Wong Campion/Reuters)
The Day in Photos – December 3, 2015
http://avax.news/fact/The_Day_in_Photos_December_3_2015.html
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