Rock arrangement is a central feature of

Rock arrangement is a central feature of a Japanese garden.
These are traditional gardens whose designs are accompanied by Japanese aesthetics and philosophical ideas, avoid artificial ornamentation and highlight the natural landscape.
Japanese gardens are characterized by, the waterfall, of which there are ten or more different arrangements; the spring and stream to which it gives rise; the lake; hills, built up from earth excavated from the basin for the lake; islands; bridges of many varieties; and the natural guardian stones. In Japanese landscaping, rocks are classified as either tall vertical, low vertical, arching, reclining or flat.