香港金鐘道奔達中心(現為力寶中心)(1984至1988年)連接未來橫跨金鐘道天橋的花崗岩樓梯(替代方案四)的研究平面佈置草圖Sketch, layout plan, study of granite stairs connection to future bridge connection across Queensway (alternative scheme 4), Bond Centre (now Lippo Centre) (1984–1988), Queensway, Admiralty, Hong Kong