Trees are the planet’s oldest living creatures. Their beauty inspires us. Their presence sustains our wellbeing. Imagine a world without them. Our images are an intimate look at the bark of some of the world's oldest, most majestic trees. Tragically, many are threatened with extinction. Robert Ouellette travels the globe photographing these ancient treasures. He uses advanced digital tools to reveal the life stories of the trees as told through the complexity of their bark.