Classic Sydney Opera House, Australia By Jørn Utzon
This is the eighth wonder of the world, the opera house in Sydney, Australia. Sydney Opera House was built starting in March 1959 after the demolition of the existing Fort Macquarie Tram Depot. This building passed through three phases namely: the foundation and building a podium overlooking Sydney Harbour, the construction of the outer skin and interior construction.
Large glass exterior walls designed by architects who are appointed and supported by vertical steel mullions that extend all the way up the mouth of shellfish. To support the 2000 panel of glass in building structures, used bronze glazing bars running from the mullions (erdiri of two layers of glass joined by a plastic interlayer to strengthen the window and gives better sound insulation), designed by Ove Arup & Partners.
Sydney Opera House cost an estimated seven million dollar budget that far exceeds the final cost of 102 million dollars and was opened by Queen Elizabeth II in October 1973. Required repairs cost around 86 million dollars, because there is damage to the structural ribs in the year 1989.
This building has been hailed as a monument of technology, society, and the world during the 20th century, Jørn Utzon Pritzker Award in 2003, and in 2007 he was appointed as UNESCO World Heritage Site, along with ancient landmarks like Stonehedge.
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