Security personnel, inside the Great Hall of the People. 安全人員, 人民大會堂內

Mark Schiefelbein/AP
Security personnel watch as a man takes a photo of a painting inside the Great Hall of the People before the start of the closing session of the Chinese People’s Political Consultative Conference in Beijing
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Security agent, Security officer, Security personnel, Security guard. 保安員, 安全官, 安全人員, 保全
http://okok1111111111.blogspot.tw/2016/03/security-agent-security-officer.html