Đồ Sơn casino (Hải Phòng), Lợi Lai casino, Hoàng Gia casino (Quảng Ninh), Hồng Vận casino (Quảng Ninh), https://casino-roulettegame.com/game-catalog/monopoly-roulette-hot-properties Lào Cai casino (Lào Cai), Silver Shores casino (Đà Nẵng), Hồ Tràm casino (Bà Rịa - Vũng Tàu), Nam Hội An casino (Quảng Nam), Phú Quốc casino in Kien Giang. In addition to cameras and other technological measures, casinos also enforce security through rules of conduct and behavior; for example, players at card games are required to keep the cards they are holding in their hands visible at all times. Both of these specialized casino security departments work very closely with each other to ensure the safety of both guests and the casino's assets, and have been quite successful in preventing crime. A specialized surveillance department operates the casino's closed-circuit-television system, known in the industry as the eye in the sky. According to some police reports, local incidence of reported crime often doubles or triples within three years of a casino's opening.