When you look at a piece of art - what do you see? Our understanding of visual perception dates all the way back to the 11th century, thanks to Ibn Al Haytham. His Book of Optics defined many of the scientific principles we still use today - especially light and vision. Now, his philosophy is the inspiration behind Expo 2020 Dubai’s public art programme.

This podcast is by Expo 2020 Dubai, produced by Kerning Cultures Network.