Sketch, section of split granite slabs details of 'granite waterfall' between escalators, showing adjacent floor line and glass parapet, Bond Centre (now Lippo Centre) (1984–1988), Queensway, Admiralty, Hong Kong香港金鐘道奔達中心(現為力寶中心)(1984至1988年)扶手電梯之間的「花崗岩瀑布造景」分裂式花崗岩石板細節剖面草圖,顯示相鄰的樓層線及玻璃護欄