Question: What now occupies the old Dunes golf course that is a 1679700 sqft urban complex?
Sentence (from "CityCenter"): As of 2015, the "CityCenter" branding has been largely retired, with the focus instead on the Aria brand of the development's centerpiece property in names such as the "Aria Express" (formerly "CityCenter Tram") and "Aria Art Collection" (formerly "CityCenter Art Collection").
Relevant evidence: No