(181225) -- LOS ANGELES, Dec. 25, 2018 (Xinhua) -- People walk at a shopping center in Los Angeles, the United States, on Dec. 24, 2018. (Xinhua/Li Ying)more(181225) -- LOS ANGELES, Dec. 25, 2018 (Xinhua) -- Flying Santa Claus and reindeer are seen at a shopping center in Los Angeles, the United States, on Dec. 24, 2018. (Xinhua/Li Ying)more