Agriculture is an important theme in Chinese mythology. There are many myths about the invention of agriculture that have been told or written about in China. Chinese mythology refers to those myths found in the historical geographic area of China. This includes myths in Chinese and other languages, as transmitted by Han Chinese as well as other ethnic groups (of which fifty-six are officially recognized by the current administration of China). Many of the myths about agriculture involve its invention by such deities or cultural heroes such as Shennong, Houji, Houtu, and Shujun: of these Shennong is the most famous, according to Lihui Yang. There are also many other myths. Myths related to agriculture include how humans learned the use of fire, cooking, animal husbandry and the use of draf