Already a Bloomberg.com user?
Sign in with the same account.
Don't have an account?
Help! I can't access my account.
With space above ground at a premium, homeowners in exclusive residential areas are paying huge sums to make extra space for pools, garages, gyms and cinemas under their homes.
On Air Now
In The Loop with Betty Liu
©2015 Bloomberg L.P. All Rights Reserved. Made in NYC