Prompt
"Create an image of a secretive military research facility during World War II, with a focus on the development of nuclear technology. In the foreground, include iconic symbols of the Manhattan Project such as a large graph of the nuclear fission process, or a blueprint of the Los Alamos Laboratory. In the background, depict a subtle, ominous mushroom cloud. Incorporate realistic details such as vintage machinery, scientific equipment, and personnel in period attire. The style should be reminiscent of 1940s-era industrial and scientific photography, with muted colors and high contrast. The image should convey a sense of urgency, secrecy, and scientific intensity."