Japanese garden style is just perfect for small gardens. The tiniest space can fit a small Japanese garden. Japanese houses make the most of every bit of garden space, and often have small gardens squeezed a long a narrow pathway, or between two.
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