In the heart of Las Vegas, the tracking camera system density and is calculated on the square meters-more than any airport or sports area would in America. The installation of this camera system, besides the tracking purpose, easy situations that lead to terrorism, also helped create a security guarantee system for Las Vegas.------------See also: high-tech security system in "gambling Kingdom" – Las Vegas – Tim hieu, http://vietbao.vn/The-gioi/He-thong-An-ninh-cong-nghe-cao-tai-vuong-quoc-co-bac-Las-Vegas/65114641/162/Vietnam quick facts the world vietbao.vn
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