Prompt: Produce a high-resolution (4k) visually fused image of the flags of Mexico and Spain. The Mexican flag should occupy the left side of the image, maintaining its original properties, colors, and design. The Spanish flag should be on the right side, also preserving its distinct features. Ensure a seamless and realistic fusion of the two flags, maintaining their individual characteristics. The background should showcase a cityscape with prominent corporate buildings, providing context to signify the unity between the two nations in the business landscape. The final image should exhibit a high level of realism and detail.