1. SYDNEYOPERAHOUSE The Sydney Opera House is a multivenue performing arts centre in Sydney,NewSouthWales,Australia.Itwasconceivedandlargelybuilt byDanisharchitectJrnUtzon,openingin1973afteralonggestation that had begun with his competitionwinning design in 1957. Joseph Cahill's New South Wales Government gave the goahead for work to beginin1958. Contrarytoitsname,thebuildinghousesmultipleperformancevenues. TheSydneyOperaHouseisamongthebusiestperformingartscentresin theworld,hostingover1,500performanceseachyearattendedbysome 1.2 million people. It provides a venue for many performingarts companies,includingthefourkeyresidentcompaniesOperaAustralia, The Australian Ballet, the Sydney Theatre Company and the Sydney SymphonyOrchestra,andpresentsawiderangeofproductionsonits own account. It is also one of the most popular visitor attractions in Australia, with more than seven million people visiting the site each year,300,000ofwhomtakeaguidedtour.