Blood, gold and secrets at the Olympic pool.

Before Greg Louganis was a diver, he was a dancer. Tap dancing to Gene Kelly routines, he learned timing and rhythm. These skills would ultimately help him become one of the most celebrated divers in the world, and a record-breaking athlete. But Greg is also famous for one of the biggest shocks in Olympic history – cutting his head on a diving board, and the revelations that followed.

Presenter: Sofia Bettiza

Producer: Maryam Maruf

Image: Greg Louganis

Credit: Tom Duffy/Getty Images