People visit the International Security Conference & Exposition, also known as ISC West, in Las Vegas, the United States, April 6, 2017. (Xinhua/Gao Shan)
Int'l Security Conference & Exposition held in Las Vegas, U.S.
Source: Xinhua| 2017-04-07 16:38:23|Editor: Mengjiao Liu
KEY WORDS: Security
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