SYDNEY, Oct 18 (Reuters) - Immediately recognisable by its sails glistening over the waters of Sydney Harbour, the UNESCO-listed Sydney Opera House is one of the world’s most photographed buildings. [1/4]Former architect and tour guide Peter Sekules poses for a photo at the Sydney Opera House in Sydney, Australia September 29, 2023. Sekules says he tried to instil that philosophy when he decided to start his architectural career working alongside Australian architect Peter Hall, who took over the Opera House project after Utzon resigned. According to the Sydney Opera House, more than 10.9 million people visit the building every year. The Sydney Opera House was added to UNESCO's World Heritage List in 2007.

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Persons: Peter Sekules, Sekules, Jorn Utzon, Alasdair Pal, Utzon, Peter Hall, Queen Elizabeth II Organizations: SYDNEY, UNESCO, Sydney Opera, Sydney Opera House, Reuters, Sydney Opera House Concert, REUTERS, Opera House, Opera, Stefica Bikes, Thomson Locations: Sydney Harbour, Denmark, Sydney, Australia