Create a visually engaging flat design illustration of a street market enveloped in fog, capturing the vibrant energy and unique character of the scene. The artwork should feature simplified geometric shapes representing market stalls filled with colorful produce, flowers, and handmade crafts, all rendered in a bold, harmonious color palette. The fog should be depicted using soft gradients and translucent overlays that gently obscure the lower parts of the stalls, creating a sense of depth and atmosphere. Incorporate stylized figures of shoppers and vendors, designed in a minimalist style, to add life and movement to the scene. The overall composition should evoke a sense of community and warmth, inviting viewers to explore the charm of this foggy street market. Keywords: "flat design," "foggy street market," "vibrant atmosphere," "minimalist illustration."