Prompt
"Generate a realistic image of a 19th-century townhouse in London, specifically No. 79 Portman Square, a notable building in Marylebone, with a classic Georgian architectural style, situated on the square with a London street scene, incorporating subtle hints of its historical significance as the residence of Sir James Mackintosh, Sir William Henry Gregory, and Lady Gregory, in a watercolor or oil painting style reminiscent of the era."
