A man and woman walking down a path towards a futuristic city

Help me draw a science fiction picture，The theme is science and environmental protection，The whole painting has a starry sky as the background，At the bottom is the Earth，Tall buildings can be seen on Earth、All sorts of garbage，Including hazardous waste、Food waste、Other garbage and recyclables。Above the earth,There is a huge space junk power station in space，The power station is divided into three levels: The upper part of the body, Lower middle part，At the bottom are various pipes，Same with all kinds of garbage，Used for garbage collection；The middle tier is used for garbage disposal，There will be a variety of small robots、Smart devices do all kinds of garbage disposal and conversion，The upper floor is a waste-to-energy power station，and the middle tier is connected through the conversion device，It is used to convert treated garbage into electricity。Waste-to-energy plants will be and earth、Other planets and spaceships、moons、Spaceships and so on are connected，Power supply。This painting is the work of the second grade of elementary school，The painting style is simple，Op. A2 paper size，hand painted style，Don't get too complicated，Embodies the characteristics of children's paintings