The USA had never lost the 4 x 100m swimming relay. Ever. Gold medal, every Olympics. And in 2000 they had Gary Hall Jr swimming the final leg - the "extroverted" 50m gold medalist who predicted the USA would "smash" the Australians "like guitars."
Here's how the Australians responded in front of their home supporters. (USA is in lane 4, Australia in lane 5 (i.e. nearer the camera).
That's the power of home advantage. Over to you, Team GB!
What are your favourite Olympics moments?