Joel Sartore is on a one-man mission to build a photographic library of every animal in human care. He’s like Noah—with a really fancy camera. An award-winning photographer, speaker, author and conservationist, Sartore is founder of The Photo Ark, a 25-year project to document every species in zoos and sanctuaries around the globe. You can spot some of those animal images in the Fall 2019 issue of Alta. Sartore joined us to explain to concept and process of the Photo Ark, detail the difference between photographing humans vs. animals, and reveal which creatures garner the biggest viewer response.