"Create an image of an eco-friendly Attefallshus designed with sustainability in mind, nestled in a natural landscape. The structure should be made of environmentally friendly materials, with features such as solar panels, green roofs, and large windows for natural light. Emphasize energy-efficient solutions that contribute to a greener future. The surrounding should include elements like a vegetable garden, rainwater collection system, and native plants, symbolizing a reduced ecological footprint and a commitment to the environment."