While his bridges aren't necessarily long, they're all tough: gorges; deep water, or instructions to permit shipping to pass under the bridge or to conform to the local scenery.
他在國際上最著名的拿手絕活是蓋「大」橋﹘﹘他蓋的橋不見得長，但多半難度很高，可能要通過峽谷、深水，要不然就是橋下有大船要通行，或是要配合景觀而設計特殊橋形，因此常要有橋墩少、跨度很長的特點。