Belgravia House in London by Todhunter Earle. Even though this is a rooftop garden, the design show would be excellent for any long, narrow yard. Great way to break up the space by making different "zones"!
Also, VERY intersting arrangement of the 3 rocks in the center. More equivalently spaced than normal, and unless youre supposed to look at it from the bottom L, also an unusual structure - 3 rocks with 1 tall narrow
I love the little stepping stone path (maybe impractical?) and also the way the screens stop you seeing all the way down - draws your eye along path (could be a good way to distract attention from fence and wall?