Window cleaners Scott Noble and Stephen Brett and the Sydney Harbour Bridge are reflected in...

Window cleaners Scott Noble and Stephen Brett and the Sydney Harbour Bridge are reflected in a window as they abseil down the front of the Sydney Opera House's main concert hall window July 8, 2003. A group of six cleaners are washing over a four-week period the world-famous building's windows which total 6,225 square metres (67,000 square feet) of French-made glass comprising of 2000 panes in 700 different sizes. In an average year, the Opera House presents around 3000 events including theatre, musicals, ballet, and every form of music from symphony concerts to jazz with audiences totalling nearly two million.