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Buglers perform at the national flag-raising ceremony at the Tian'anmen Square in Beijing, capital of China, Jan. 1, 2018. The responsibility for guarding China's national flag and firing salute cannons at the Tian'anmen Square was transferred to the Chinese People's Liberation Army (PLA) from Jan. 1, 2018, as authorized by the Central Committee of the Communist Party of China. Before Jan. 1, the ceremony was conducted by the armed police. (Xinhua/Luo Xiaoguang)