Create a realistic old American hybrid barn with full interior and exterior geometry. Large red wooden barn made of vertical weathered planks with chipped faded paint, white/gray trims, exposed beams, and rusted metal hardware. Asymmetrical multi-level structure with dark gray shingle roof, slight sag, roof cupola and weather vane. Large sliding double barn doors on metal rails, partially open, plus upper hay loft door with shutters. Side lean-to extension. Interior fully modeled: wooden plank floor, exposed rafters, loft/mezzanine, ladders and stairs, hay bales, barrels, crates, sacks, scattered straw, hanging tools. PBR aged wood and rusted metal materials, real-world scale, game-ready, animatable doors, no characters.