Volunteers clean up the Grand Canal in Dublin, Ireland, April 21, 2018. Thousands of local volunteers participated in a campaign on Saturday to clean up rivers, canals, beaches and lakes in the city to mark the Earth Day which falls on April 22 annually. (Xinhua/Zhang Qi)
Earth Day marked across world
Source: Xinhua| 2018-04-22 14:38:02|Editor: Chengcheng
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