So-called 'living walls' are a way of making buildings look more natural by covering them in vegetation, growing plants on the outside walls.
It's a measure which can also help to reduce air pollution.
The innovation has been labelled a crucial part of a major expansion project in Kent which also promises to bring up to 500 new jobs to the county.
In Ashford, a shopping centre has almost finished building what will be Europe's largest installation of living walls.
At 25,000 square feet, it'll be the size of 60 double decker buses
- Watch Abigail Bracken's report below:
Covering 25,000 square feet, with 120,000 plants- grasses, ferns and flowers- growing up the side of the new extension to the Designer Outlet shopping centre in Kent.
Together, this will be Europe's largest living wall, in Ashford.
- Richard Sabin- Living wall specialist:
- Europe's largest living wall in numbers:
- Peter Coor- Centre manager:
While workers add the finishing touches ahead of the official opening on Thursday (07/11), these plants will keep the walls looking green, all year round.