designer's own words:Generally fence of many types are used preferentially for our safety from car on the road in our daily. I try to give the fence protecting from car accident risk value that is above simple safy structures. Also we are expo the fumes from cars, it damages our atmosphere and also quickly speed up the process of global warming. This "Growing Fence" will provide safety and fresh air for pedestrians on the road. So it will purify polluted air and improve sapce efficiency with removal big pot on the road.