A sign is displayed outside a temporary warming center in Vancouver, British Columbia, Canada, on Jan. 11, 2024. Several extreme weather response shelters were opened in Vancouver for those in need as an arctic outflow warning was issued for the Metro Vancouver area. (Photo by Liang Sen/Xinhua)
A worker prepares sleeping mats at a temporary warming center in Vancouver, British Columbia, Canada, on Jan. 11, 2024. Several extreme weather response shelters were opened in Vancouver for those in need as an arctic outflow warning was issued for the Metro Vancouver area. (Photo by Liang Sen/Xinhua)