The famous Sydney Opera House will be thoroughly renovated according to the project worth 202 million Australian dollars ( 139 million euros), mainly to improve the acoustics.
According to the project of reconstruction, among other things , envisages the construction of a new entrance , as well as the renovation of the main space for performances , concert halls .
Exterior Sydney Opera universally admired as one of the greatest architectural works of the 20th century , however , many musicians complained about the poor acoustics in the concert hall .
Sydney Opera House is the work of Danish architect Jørn Utzon and is included in the UNESCO World Heritage List .
Opera is officaly opened on 20 October 1973, Queen Elizabeth II . Opening , followed by fireworks and performance of Beethoven's Ninth Symphony , was broadcast live media.