Taoism southern China and Taiwan may often be identified by their roofs, which feature dragons and phoenixes made from multi-colored ceramic tiles. They also stand for the harmony of yin and yang (with the phoenix representing yin). A related symbol is the flaming pearl, which may be seen on such roofs between two dragons, as well as on the hairpin of a Celestial Master. In general though, Chinese Taoist architecture lacks universal features that distinguish it from other structures. At ancient times, before Daoism Religion was founded, food may be set out as a sacrifice to the spirits of the deceased
Taoism in which Taoism continues to be an "order" of the larger body of Chinese religion. Laozi is traditionally regarded as one of the founders of Taoism and is closely associated in this context with "original" or "primordial" Taoism. Whether he actually existed is disputed; however, the work attributed to him—the "Tao Te Ching"—is dated to the late 4th century BCE. Taoism draws its cosmological foundations from the School of Naturalists (in the form of its main elements—yin and yang and the Five Phases), which developed during the Warring States period (4th to 3rd centuries BC). Robinet identifies four components in