Photo taken on Oct. 18, 2018 shows Selfridges department store's Christmas windows display "Selfridges Rocks Christmas" in central London, Britain. (Xinhua/Ray Tang)

Photo taken on Oct. 18, 2018 shows Selfridges department store's Christmas windows display "Selfridges Rocks Christmas" in central London, Britain. (Xinhua/Ray Tang)

A man dressed as Santa Claus poses to launch Selfridges department store Christmas windows display "Selfridges Rocks Christmas" in central London, Britain, on Oct. 18, 2018. (Xinhua/Ray Tang)

Photo taken on Oct. 18, 2018 shows Selfridges department store's Christmas windows display "Selfridges Rocks Christmas" in central London, Britain. (Xinhua/Ray Tang)

A man dressed as Santa Claus poses to launch Selfridges department store Christmas windows display "Selfridges Rocks Christmas" in central London, Britain, on Oct. 18, 2018. (Xinhua/Ray Tang)

A man dressed as Santa Claus poses to launch Selfridges department store Christmas windows display "Selfridges Rocks Christmas" in central London, Britain, on Oct. 18, 2018. (Xinhua/Ray Tang)

People look at Selfridges department store's Christmas windows display "Selfridges Rocks Christmas" in central London, Britain, on Oct. 18, 2018. (Xinhua/Ray Tang)