灰色石材的箱型体块：精准分割的外墙

Design a stone-clad museum wing in the manner of Yoshio Taniguchi as a plain rectangular volume faced in identical grey granite panels, every joint aligned so the whole elevation reads as one perfect grid with a single flush entrance slot. Compose the panel module carried around the corner without interruption, hairline joints, no expressed columns or coping, a flush granite paving apron, no planting, flat even daylight showing the subtle stone texture, straight-on frontal view, 50mm lens, architectural photography, ultra photorealistic, 8K