exterior shot contemporary architectural building based on the provided concept sketch a pentagonal monolithic volume in smooth fair faced concrete tadao ando style with a large triangular void undercroft carved under the front tip the roof is a walkable green roof that starts from ground level on one side and rises continuously along both edges meeting at the front right angle corner the tip like copenhill minimal openings thin horizontal slit windows emphasize the dramatic void under the tip deep shadow precise concrete edges clean joints and tie holes pattern add a public path on the green roof with subtle stairs ramps and small people for scale photorealistic architectural render high detail concrete texture soft daylight wide angle 3 4 view cinematic composition realistic landscaping