SYDNEY, Oct 20, 2023 (AFP) – Australians on Friday celebrate the 50th anniversary of the Sydney Opera House, lighting up the sails of a harbourside “masterpiece” that has become an international icon. Fifty years to the day since Queen Elizabeth II opened the world’s most recognised concert hall — visited by about 11 million people a year — the Opera House will draw crowds with a nighttime laser show. Besides the party, the Opera House […]