All of them were black and white images of a runner, with a quote that expressed their reason for running.
他们所有人都是白人和黑人的跑步者的形象，有一句引语阐述了他们跑步原因的引述。
"I ran my first marathon today," a runner wrote on social media site Weibo. "the air was so polluted that my nose turned black after the run."
一位参赛选手在微博中提到：“今天是我第一次跑马拉松，空气污染很严重，所以，跑完之后，我的鼻子黑了。”
"I ran my first marathon today," a runner wrote on social media site Weibo. "the air was so polluted that my nose turned black after the run."
一位参赛选手在微博中提到：“今天是我第一次跑马拉松，空气污染很严重，所以，跑完之后，我的鼻子黑了。”
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