Pastel Rome Cube Diorama

Prompt

Create a floating 3D cube-shaped diorama of Rome, with one open side revealing miniature streets, famous buildings, vehicles, and street life. Use stylized PBR materials, soft global lighting, and a calm pastel color palette. Include volumetric clouds floating around the cube and subtle weather FX that match the city's current conditions. Add a small title plaque on the front face reading "Rome".