3D rendered illustration,

3D rendered illustration, minimalist style, main colors green and blue, overall color scheme green, blue, and gray. Main subject is a spherical miniature cityscape, surface covered with green vegetation, interspersed with modern high-rise buildings and winding roads. Buildings mainly located on the upper half of the sphere, roads extending from between the buildings, encircling the sphere, with trees and green belts along the roads, creating a fresh and natural environment. Glass curtain walls of the buildings reflect light, showcasing modern urban features, trees and vegetation details are highly realistic, adding vividness to the scene. Background is pure white, highlighting the spherical city. Overall visual effect conveys a sense of harmonious coexistence between future technology and nature, promoting environmental and sustainable development.