People walk past decorations during the Aurora Winter Festival in Vancouver, Canada. Nov. 21, 2019. Fifteen acres of open space are turned into a winter wonderland during the Aurora Winter Festival with light displays and holiday themed attractions.Photo:Xinhua

People walk through a light tunnel during the Aurora Winter Festival in Vancouver, Canada. Nov. 21, 2019. Fifteen acres of open space are turned into a winter wonderland during the Aurora Winter Festival with light displays and holiday themed attractions. Photo:Xinhua

People walk past light displays during the Aurora Winter Festival in Vancouver, Canada. Nov. 21, 2019. Fifteen acres of open space are turned into a winter wonderland during the Aurora Winter Festival with light displays and holiday themed attractions. Photo:Xinhua

A visitor stands by a light display during the Aurora Winter Festival in Vancouver, Canada. Nov. 21, 2019. Fifteen acres of open space are turned into a winter wonderland during the Aurora Winter Festival with light displays and holiday themed attractions. Photo:Xinhua

A visitor stands by a light display during the Aurora Winter Festival in Vancouver, Canada. Nov. 21, 2019. Fifteen acres of open space are turned into a winter wonderland during the Aurora Winter Festival with light displays and holiday themed attractions. Photo:Xinhua