MGM MIRAGE’s highly anticipated CityCenterdevelopment will celebrate openings throughout December, culminating with a grand opening celebration Dec. 16. Vdara Hotel & Spa, an all-suite boutique hotel with a non-gaming, smoke-free environment, opened today, Dec. 1. Crystals, a 500,000-square-foot retail and entertainment district featuring high-end designer stores and restaurants like BESO by Eva Longoria Parker, will open Dec. 3. Mandarin Oriental Las Vegas, a 47-story, non-gaming hotel and residences featuring an unparalleled spa and unique Sky Lobby, will open Dec. 4. ARIA Resort & Casino, featuring Viva ELVIS by Cirque du Soleil, dining experiences by world-renowned chefs and a luxurious spa, will open Dec. 16. CityCenter has earned its sixth LEED Gold rating from the U.S. Green Building Council, marking the highest LEED achievement by any hotel, retail district or residential development in Las Vegas. LEED certified components include Mandarin Oriental Las Vegas, Veer Towers, Vdara Hotel & Spa, Crystals, ARIA Resort’s hotel tower, and ARIA’s convention center and theater.