Have you ever dreamt of peering into a hidden world, where the familiar transforms into the fantastical? Infrared (IR) photography offers just that opportunity. By capturing light invisible to the naked eye, IR cameras reveal a new perspective, from ethereal landscapes to heat signatures glowing in the darkness. But what about using this technology to observe the animal kingdom? In this video Mathieu Stern embarks on a thrilling journey to the zoo, armed with an infrared camera, to discover how this unique technique can transform the way we see our furry and feathered friends.