In many countries and cultures, designing pretty gardens is considered to be an art. In Japan, for instance, Zen monks build decorative gardens with stone and waterfall features using natural materials such as bamboo, rock and BONSAI trees like spruce, pine, and other trees with they trained into miniature forms. In Europe in the 1700s, kings and queens had formal gardens built (for example, the gardens at Versailles, France). In China they also feature Chinese forms of gardens. Now some enterprising people start to have herbal gardens to feature useful herbs used in alternative, traditional, and homeopathic medicine