Medical staff adjust writing posture for a pupil at a primary school in Langfang, north China's Hebei Province, June 6, 2017. Tuesday marks the National Eye Care Day, on which various activities are held across China to call for people's attention on protection of eyes. (Xinhua/Liu Xuemin)
Various activities held to mark National Eye Care Day across China
Source: Xinhua| 2017-06-06 19:13:18|Editor: ying
KEY WORDS: National Eye Care Day
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