Kerala tradition in the field of mural painting is evidenced by the murals in temples, palaces, and churches. The early mural paintings of Kerala dates back to the period from the 9th to the 12th century A.D. Most of the murals now seen in Kerala temples belong to the period from the 15th century onwards. This tradition of painting on walls began in Kerala with the pre-historic rock paintings found in the Anjanad valley of the Idukki district. The traditional style mural art form, using natural pigments and vegetable colors, is being revived by a new genre of artists actively involved in researching and re-creating the tradition on canvas with acrylic color. Shri Krishna's childhood, Bala Krishna, Lord Krishna eating Butter, Kaleya Mardhana, Venugopala tec., are few examples of Lord Kri