Various kinds of masks with exaggerated features and strong colors are used by most ethnic people during cultural and religious activities.The wooden masks used in Nu Xi (a masked dancing in Guizhou province) have three types called "deity", "demon" and "secular figures". Colored wooden masks of Di Xi dramas are often used for performance of historic stories. Painted masks of Tibetan are mainly represented by gods,ghosts and animal faces which are used in Tiao Shen (devil's dance") performed by lamas to exorcise evil spirits during ceremonial dancing.