add modern black metal french balcony railings only to the windows marked in the image do not add railings to any other windows each railing must match the exact width of the marked window and be mounted directly in front of it the railings must not extend beyond the window edges or continue across the facade create one individual french balcony railing for each marked window only leave all unmarked windows completely unchanged do not modify the architecture facade roof balcony walls materials or proportions of the house the edit must be limited strictly to the marked windows only photorealistic ultra detailed contemporary architecture
