People enjoy themselves at a Christmas market at the Poznan International Fair (MTP) in Poznan, Poland, Nov. 14, 2026. (Photo by Aleksy Witwicki/Xinhua)People enjoy themselves at a Christmas market at the Poznan International Fair (MTP) in Poznan, Poland, Nov. 14, 2026. (Photo by Aleksy Witwicki/Xinhua)People enjoy themselves at a Christmas market at the Poznan International Fair (MTP) in Poznan, Poland, Nov. 14, 2026. (Photo by Aleksy Witwicki/Xinhua)People enjoy themselves at a Christmas market at the Poznan International Fair (MTP) in Poznan, Poland, Nov. 14, 2026. (Photo by Aleksy Witwicki/Xinhua)A giant Christmas tree is seen at the Galeries Lafayette in Paris, France, Nov. 12, 2026. (Xinhua/Wu Huiwo)A Christmas window display is seen in Paris, France, Nov. 12, 2026. (Xinhua/Wu Huiwo)People take photos of the Christmas window displays in Paris, France, Nov. 12, 2026. (Xinhua/Wu Huiwo)A Christmas lights trail is pictured at the Kew Gardens in London, Britain, on Nov. 12, 2026. (Photo by Ray Tang/Xinhua)■