简约风绿色生态城市景观风力发电机太阳能板插画

illustration, minimalist design, green and brown color scheme, main object is a leaf, inside the leaf are wind turbines, solar panels, houses, trees, cars, and people, objects arranged from left to right: house, wind turbine, skyscraper, tree, car, person, solar panel, eco-friendly and sustainable atmosphere, leaf texture and simplified line design of internal objects, white background, clear and concise visual effect, conveying environmental protection, green energy, and sustainable development