An early-evening view of the CityCenter, from the rooftop of the Marriott. (Ricardo DeAratanha / Los Angeles Times)
The 57-story Vdara, an all-suite hotel and spa, will open Dec. 1. (Ricardo DeAratanha / Los Angeles Times)
Canopy over the porte-cochere of Aria Resort & Casino. (Ricardo DeAratanha / Los Angeles Times)
The monorail at CityCenter. (Ricardo DeAratanha / Los Angeles Times)
A worker climbs on part of the protruding roof of Crystals. (Ricardo DeAratanha / Los Angeles Times)
Crystals opens Dec. 3. (Ricardo DeAratanha / Los Angeles Times)
A pedestrian walks along Las Vegas Boulevard across the street from Crystals. (Ricardo DeAratanha / Los Angeles Times)
Skylights bring natural light into Crystals. (Ricardo DeAratanha / Los Angeles Times)
One of the Sky Suites (25th floor and up) at Aria Resort & Casino. (Ricardo DeAratanha / Los Angeles Times)
The living room of an Aria Sky Suite. (Ricardo DeAratanha / Los Angeles Times)
A living room of an Aria SkySuite. (Ricardo DeAratanha / Los Angeles Times)
A sitting nook in an Aria SkySuite. (Ricardo DeAratanha / Los Angeles Times)
A dining room of an Aria SkySuite. (Ricardo DeAratanha / Los Angeles Times)
An Aria SkySuite bedroom. (Ricardo DeAratanha / Los Angeles Times)
An Aria SkySuite bathroom. (Ricardo DeAratanha / Los Angeles Times)
Dawn breaks over the CityCenter. (Ricardo DeAratanha / Los Angeles Times)