Which health chain operates much of the amenity space in Sky, a luxury tower in Manhattan?
Sky (skyscraper): Sky, also known as 605 West 42nd Street, is a mixed-use building in Midtown Manhattan developed by the Moinian Group. Sky (skyscraper):  The 71-story tower contains luxury rental residences designed by the Rockwell Group, ranging from studios to two bedrooms and includes the Vue Penthouse Collection. Sky (skyscraper):  Sky features over 70,000 square feet of amenity space, mostly operated by Life Time Fitness, which includes a multi-level gym, water club and LifeSpa, lap pool, professional size basketball court (designed by Carmelo Anthony), two outdoor zero edge pools, and an outdoor park. Life Time Fitness: Life Time Fitness is a chain of health clubs in the United States and Canada.
Life Time Fitness