Such way of stacking of blocks is not present anywhere in the world.
The cost price of such block is same as at usual.. If armature will be applied, the cost price will increase a maximum on 30 - 50 cents.
Benefit will be concluded that the wild strawberry or other plants can be raised on fences.
On such fences it is possible to raise different plants - flowers, wild strawberry, etc.
The Area increases on a vertical. On one square meter of the ground it is possible to receive much more crop..
Such fences can be built in all countries where there are no strong frosts.