Generate a realistic image showing a product photo of a treehouse designed in Scandinavian style. This treehouse is to be located in a lush green environment. The structure exhibits typical features of the Scandinavian aesthetic, including a minimalist design, clear functionality, and natural materials such as light toned wood with a matte finish. It boasts oversized windows permitting ample natural light to blend the boundary between the indoor space and the outdoor wilderness. The image should highlight the entire treehouse along with its surroundings.