Public art, toppled monuments and the statue in the crate

What do artists think about when making huge public art? Lindy Lee is making the most expensive work commissioned by the NGA, and Judy Watson's bara will grace Sydney's harbour with a giant Gadigal fish hook.Then, the US art lab addressing the problem of confederate monuments to racist causes... and Indigenous artists Julie Gough, Nicholas Galanin and Yhonnie Scarce on Australia's own colonial memorialising.