Prompt
"Generate an image of a map of Southern Africa, highlighting the geographical area of the Union of South Africa, with the flag of the Union of South Africa waving in the corner, and in the background, a subtle image of Table Mountain, the Cape Town cityscape, and the Pretoria cityscape, representing the legislative and administrative capitals, respectively, in a style that reflects the era of the early 20th century, with a faded British Empire insignia in the background to signify its membership."