Photo taken on Oct. 31, 2020 shows Halloween decorations in front of people's house in Canberra, Australia. (Photo by Chu Chen/Xinhua)

Photo taken on Oct. 31, 2020 shows Halloween decorations in front of people's house in Canberra, Australia. (Photo by Chu Chen/Xinhua)

A child looks at Halloween decorations in Canberra, Australia, Oct. 31, 2020. (Photo by Chu Chen/Xinhua)

People wearing costumes celebrate Halloween in Canberra, Australia, Oct. 31, 2020. (Photo by Chu Chen/Xinhua)

People wearing costumes celebrate Halloween in Canberra, Australia, Oct. 31, 2020. (Photo by Chu Chen/Xinhua)

Members of a family celebrate Halloween in Wollongong, Australia, Oct. 31, 2020. (Photo by Zhu Hongye/Xinhua)

Children celebrate Halloween in Wollongong, Australia, Oct. 31, 2020. (Photo by Zhu Hongye/Xinhua)

Children celebrate Halloween in Wollongong, Australia, Oct. 31, 2020. (Photo by Zhu Hongye/Xinhua)