The subway Line 1 in Hangzhou, east China's Zhejiang Province moves "forest" into the carriage, on November 28, 2016. Scenes of green plants with the smell of fresh show the concept of low-carbon life. (Photo/Zjol.com)
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The subway Line 1 in Hangzhou, east China's Zhejiang Province moves "forest" into the carriage, on November 28, 2016. Scenes of green plants with the smell of fresh show the concept of low-carbon life. (Photo/Zjol.com)
