Travelers wait in line to pass through security check at the Vancouver International Airport in Richmond, British Columbia, Canada, Dec. 21, 2024. With Christmas just around the corner, Vancouver International Airport is preparing for its busiest travel season. (Photo by Liang Sen/Xinhua)

Travelers are seen at the Vancouver International Airport in Richmond, British Columbia, Canada, Dec. 21, 2024. With Christmas just around the corner, Vancouver International Airport is preparing for its busiest travel season. (Photo by Liang Sen/Xinhua)

Travelers line up at an airline's check-in counter at Vancouver International Airport in Richmond, British Columbia, Canada, Dec. 21, 2024. With Christmas just around the corner, Vancouver International Airport is preparing for its busiest travel season. (Photo by Liang Sen/Xinhua)