Japanese Rock (Karesansui)GardensKarensansui means dry-mountain-and-water gardensJapanese Rock gardens were first brought to the

island from Chinese and Korean immigrantsDuring the Heian period (794-1185 AD) this practice

became unique to the Japanese people and perfected by Buddhist monks trying to achieve Zen.

The idea of Zen is- A school of Mahayana Buddhism that asserts that enlightenment can be attained through meditation, self-contemplation, and intuition rather than through faith and devotion and that is practiced mainly in China, Japan, Korea, and Vietnam. Also called Zen Buddhism.(http://www.thefreedictionary.com/Zen)