A visitor takes a look at the crystal rocks at the Vancouver Gem Show at the Pacific National Exhibition in Vancouver, British Columbia, Canada, on Dec. 1, 2023. (Photo by Liang Sen/Xinhua)
A visitor takes a look at the crystal rocks at the Vancouver Gem Show at the Pacific National Exhibition in Vancouver, British Columbia, Canada, on Dec. 1, 2023. (Photo by Liang Sen/Xinhua)
