Rustic gymnasium building, earthy tone brick walls, wooden roof trusses, exposed steel beams, polished concrete floors, natural stone accents, reclaimed wood paneling, industrial metal doors, weathered corten steel cladding, warm ambient lighting, high ceilings, open spaces, minimal ornamentation, functional design, athletic equipment silhouettes, motivational quotes, inspirational murals, vibrant color blocking, dynamic angular lines, modern vernacular style, asymmetrical composition, dramatic shadows, low-key mood, atmospheric perspective.