People look at Arctic animal skulls during the Arctic Voices exhibition at Science World in Vancouver, British Columbia, Canada, on Feb. 20, 2021. The exhibition showcases animal specimens, plants and interactive displays, which allow visitors to explore the impact of the changing climate in the Arctic through its many voices: its people, ecology, wildlife and way of life. (Photo by Liang Sen/Xinhua)

People look at Arctic animal skulls during the Arctic Voices exhibition at Science World in Vancouver, British Columbia, Canada, on Feb. 20, 2021. The exhibition showcases animal specimens, plants and interactive displays, which allow visitors to explore the impact of the changing climate in the Arctic through its many voices: its people, ecology, wildlife and way of life. (Photo by Liang Sen/Xinhua)

A girl looks at Arctic plants during the Arctic Voices exhibition at Science World in Vancouver, British Columbia, Canada, on Feb. 20, 2021. The exhibition showcases animal specimens, plants and interactive displays, which allow visitors to explore the impact of the changing climate in the Arctic through its many voices: its people, ecology, wildlife and way of life. (Photo by Liang Sen/Xinhua)

People visit the Arctic Voices exhibition at Science World in Vancouver, British Columbia, Canada, on Feb. 20, 2021. The exhibition showcases animal specimens, plants and interactive displays, which allow visitors to explore the impact of the changing climate in the Arctic through its many voices: its people, ecology, wildlife and way of life. (Photo by Liang Sen/Xinhua)