"A modern autumn-themed wall art design for a restaurant, displayed directly on a gray concrete wall. Each artwork should feature elegant still life compositions that highlight subtle seasonal elements like pumpkins, autumn leaves, and harvest fruits, combined with classic porcelain dishware and crystal glassware. Use a sophisticated palette of burnt orange, deep burgundy, muted gold, and neutral tones to evoke the warmth of the fall season. The porcelain should be in a traditional, timeless style--delicate, with fine details--while the crystal elements should capture light and reflections, adding a sense of luxury and sophistication. Maintain a minimalist and contemporary layout with clean lines, geometric shapes, and abstract patterns, contrasting with the organic forms of the pumpkins and leaves. Include metallic accents, like brushed gold or matte silver, to enhance the composition. The overall goal is to create a refined, modern look that blends seasonal charm with the elegance of classic tableware, making each piece a striking focal point on the concrete wall."