Rockefeller Center Christmas tree lighting ceremony held in New York, U.S.

Photo taken on Dec. 4, 2019 shows the Rockefeller Center Christmas tree after it was lit in New York, the United States. A ceremony was held on Wednesday night in Midtown Manhattan to light the 77-foot-tall Rockefeller Center Christmas tree, a traditional routine held annually to mark the beginning of another holiday season. (Xinhua/Wang Ying)