Sydney opern is one of buildings with the world's accepted 20 the most beautiful centuries, it is contemporary of the rare world of a “ on building history make ” , it is mark sex building of Australia more. The exterior of Sydney opern is 3 groups of huge case piece. The first group of carapace piece interior is big odeum, the 2nd group of carapace piece interior is operatic hall, the 3rd group of carapace piece interior is dining-room. The fastigium carapace with differ discretion, with bedclothes of magnetism of white grid glair, mirror in in relief illumination below, look far, resemble setting upright standing conch already, giant like two white caique, flying go up in the offing of sky blue. Sydney opern holds a show every year about 3000, about 2 million audiences are headed for assist in all a grand occasion, it is one of performance art centers with the largest whole world, also be the ground that all tourists that head for Australia seek surely.