Structural walls are put along walkways and golf holes. They will have
various functions. They can be just benchs, decorated walls, kiosks for information, symbolic towers or landmarks.
They divided by three as following functions.
The small one is 2 feet. It is for seats while people is watching the games.
The second wall is 5 feet high. It is for screens or decorations.

The highest wall is 10 feet high and it will make a role of kind of banners. Or it can be symbolic towers in the site.
More details are as follows.