The Canadian National Tower (CN Tower) is lit up in green to mark the 2021 Earth Day in Toronto, Canada, on April 22, 2021. (Photo by Zou Zheng/Xinhua)
The Canadian National Tower (CN Tower) is lit up in green to mark the 2021 Earth Day in Toronto, Canada, on April 22, 2021. (Photo by Zou Zheng/Xinhua)
The Canadian National Tower (CN Tower) is lit up in green to mark the 2021 Earth Day in Toronto, Canada, on April 22, 2021. (Photo by Zou Zheng/Xinhua)
