Atlantis Sanya welcomed more than 3,000 guests as the ultimate destination for unforgettable vacations kicked off the summer with a splash with the launch of Aquaventure After Dark summer carnival. In line with an industry-leading move to spur the after-hours economy in Sanya, Atlantis Aquaventure Waterpark premiered a series of nighttime activities and performances in celebration of the much-anticipated summer holiday season.