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A woman watches a green house model during the 2018 Green Living Show in Toronto, Canada, April 6, 2018. The annual three-day Eco-consumer show kicked off on Friday. (Xinhua/Zou Zheng)
A woman watches a green house model during the 2018 Green Living Show in Toronto, Canada, April 6, 2018. The annual three-day Eco-consumer show kicked off on Friday. (Xinhua/Zou Zheng)