Sketches, section showing escalator connection between grade level and level 1 lobby, with indication of planter locations, ceiling patterns of elevator cab interior, and 'granite waterfall' idea, 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)連接地面及一樓大堂的扶手電梯剖面草圖,顯示花槽位置、升降機內部天花板圖案及「花崗岩瀑布造景」意念