Everyone is familiar with green walls by now. The vertical gardens have become extremely popular in recent years. In America, they've taken it a step further though. There, everyone is going for a vegetable wall.
It's a display by the American company Carlson Airflo. The company introduced the remarkable pineapple tree for in stores a few years ago, and since then has designed several other colourful displays.
The pineapple tree, presented a few years ago at the PMA.