Prompt: painterly concept illustration of a surviving greenhouse and its owners, set amongst the ruins of a post-apocalyptic city, overgrown vines and wildflowers bloom within the glass walls, an elderly couple tend the plants, wearing worn clothing and gas masks, by simon stålenhag, greg rutkowski, jama jurabaev, concept art, sci-fi, dystopian, low afternoon sunlight beams through the foliage, weathered metal and concrete structures in the distance, dramatic lighting, thick impasto brush strokes, moody color palette of greens, browns and oranges, 4K digital painting.