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12:55, 16-Sep-2019
World Ozone Day: Battle for blue skies
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September 16 is the International Day for the Preservation of the Ozone Layer. In this episode of "Come Together" series, CGTN looks at how the Chinese capital city of Beijing has progressed in getting out from the world's top 200 most-polluted cities.
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Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3