Iran's traditional theatrical genres involve Baqqāl-bāzi ("grocer perform", a variety of slapstick comedy), Ruhowzi (or Taxt-howzi, comedy carried out over a courtyard pool coated with boards), Siāh-bāzi (in which the central comedian seems in blackface), Sāye-bāzi (shadow engage in), Xeyme-šab-bāzi (marionette), and Arusak-bāzi (puppetry), and Ta'zie (religious tragedy performs).