Thangka is a unique form of painting art in Tibetan culture. With distinctive national characteristics, rich religious color and unique artistic style, the world of the sacred Buddha is depicted in bright colors. Pigment is traditionally are all made of gold, silver, pearl, agate, coral, and stone, such as malachite and cinnabar... precious gem and saffron, rhubarb, such as indigo plant for paint, to show its sacred.