82nd Christmas Tree Lighting Ceremony held in New York

A visitor takes photos of American singer Mariah Carey's performance in front of the Christmas tree during the 82nd Christmas Tree Lighting Ceremony in Rockefeller Center in New York, the United States, Dec. 3, 2014. Thousands of people witnessed the lighting of 45,000 multi-colored, energy efficient LED on the 85-foot-tall, 90-year-old Norway Spruce, which is topped with a spectacular Swarovski crystal star in Rockefeller center on Wednesday. The Rockefeller Center has held the Christmas tree lighting ceremony to greet the upcoming Christmas annually since 1933. (Xinhua/Qin Lang)