Create an image of a bustling marketplace at a cultural festival where vendors' stalls are a mix of traditional crafts and modern business technology, with optical illusions incorporated into the decorations and displays.

Imagine an eclectic marketplace set within a cultural festival. Vendors, a South Asian woman and a man of Hispanic descent, are selling an array of intriguing items; some stalls showcase timeless, traditional crafts while others gleam with the cutting-edge allure of modern business technology. To add a touch of whimsy, various elements of the setting are decorated with visual puzzles and optical illusions. These might modulate margins, distort proportions, or playfully manipulate perspective, creating a dynamic interplay of the traditional and the contemporary. The sky overhead is a vibrant canvas painted with changing hues of the day.