Zen gardens are havens for contemplation, reflecting the beauty of nature and the aesthetic sense of the gardener. Some represent vast landscapes in a small area, some use raked gravel to represent rushing water, while others feature natural stones signifying symbolic animals such as turtles and cranes. Zen Gardening also provide an ecofriendly alternative to the old-fashioned lawn -- they require little or no water, while the use of fertilizers and...