People walk at a tourist dock near New Castle, New South Wales State, Australia, Dec. 23, 2020. (Xinhua/Bai Xuefei)

A woman wearing a face mask walks past a Christmas tree at Martin Place in Sydney, Australia, Dec. 22, 2020. (Xinhua/Bai Xuefei)

A man talks on a phone at a tourist dock near New Castle, New South Wales State, Australia, Dec. 23, 2020. (Xinhua/Bai Xuefei)