The light installation "Seeds of Change" is seen during the media event of "Terra Lumina: An Enchanted Night Walk into a Bright Future" at Toronto Zoo in Toronto, Canada, Aug. 13, 2020. (Photo by Zou Zheng/Xinhua)

People walk through the light installation "Arch Passage" during the media event of "Terra Lumina: An Enchanted Night Walk into a Bright Future" at Toronto Zoo in Toronto, Canada, Aug. 13, 2020. (Photo by Zou Zheng/Xinhua)

The light installation "Luminous Forest" is seen during the media event of "Terra Lumina: An Enchanted Night Walk into a Bright Future" at Toronto Zoo in Toronto, Canada, Aug. 13, 2020. (Photo by Zou Zheng/Xinhua)