Above and below are early 2000s-vintage images of BRENT CROSS CENTRE. Here we see an interior view of the Main Mall.
Photo from Wikipedia / "Billy Hicks"

Our second snapshot shows a wide-angle view of the northwest corner of the mall's exterior. The John Lewis anchor store is seen on the right. In the present day, the high-end '70s Brutalist-design mall has been likened, in appearance, to a nuclear power station.  
Photo from www.hammerson.com / The Hammerson Group