realism

Smoky factory in bold ink, rendered in the style of traditional Sumi-e ink painting, using bold, fluid brushstrokes and delicate gradients of black ink on textured rice paper. The composition emphasizes negative space, with subtle accents of soft gray and white to create balance and harmony. The background features minimalist natural elements, such as bamboo, cherry blossoms, or misty mountains, evoking a sense of tranquility and timeless elegance. The overall mood is meditative, with a focus on simplicity and the essence of the subject --ar 3:4

Smoky factory in moody charcoal, rendered in the style of charcoal drawing, using rich black charcoal pencils and subtle highlights with a white charcoal pencil. The composition features dramatic shading, soft gradients, and intricate textures, creating a striking contrast between light and shadow. The background is minimalist, with faint smudges and strokes to emphasize depth and focus on the subject. The overall mood is timeless, sophisticated, and emotive, evoking a sense of quiet introspection --ar 4:3

Factory skyline in grayscale, rendered in the style of grisaille, using monochromatic tones of gray, black, and white, with subtle gradients and soft transitions to create depth and texture. The composition emphasizes dramatic lighting and chiaroscuro, evoking a timeless, classical aesthetic. Background elements are softly blurred, focusing attention on the subject, which is painted with meticulous detail in acrylic or oil grisaille technique. The overall mood is serene yet powerful, with a touch of modern minimalism to enhance the contrast between light and shadow --ar 4:3