Watch this incredible time-lapse footage of the renovation work that has taken place inside the Concert Hall since its temporary closure in January 2020, as the world-famous venue is transformed for the 21st century. The vision captures key project milestones so far, including the acoustics clouds – known as the ‘doughnuts’ – being winched down, the removal of the chairs, the build of the birdcage scaffold, the demolition and resurrection of the stage, and the installation of automated stage ris