No it's not a ice skating ring.
 it's called the Oculus...
 and its under 4 World Trade Center, NYC.
 Still alot of work to be done before the grand opening of all the stores on Aug 16. 2016
 But it is an architectural Marvel
Fines will be $3200 per day for each unfinished store. While some are nearly done, seems to be a lot of work left to do. I can predict much over time.