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Palace of Culture and Sciences lit in green on World Environment Day in Warsaw, Poland

Source: Xinhua| 2018-06-07 08:06:00|Editor: Chengcheng
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POLAND-WARSAW-WORLD ENVIRONMENT DAY

The Palace of Culture and Sciences is lit in green on World Environment Day in Warsaw, Poland, on June 5, 2018. (Xinhua/Jaap Arriens)

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KEY WORDS: Environment
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