Ever since The Beatles' hit, we’ve known of octopuses’ ability to customise their habitat, but a new Netflix documentary series has some incredible footage of an octopus actually firing stones at a nearby fish.
Our Oceans, presented by former US president Barack Obama, explores the wonder of Earth's oceans in a five-part series – one for each of the world’s oceans.
Award-winning underwater cameraman Roger Munns was the director of photography on the series, and he joins us to talk about filming such a huge project and of course, that octopus.