He was later appointed by the government of the Republic of China to design the Chinese pavilion at EXPO '70 in Osaka, Japan. The pavilion was chosen by American and Japanese architectural magazines as one of the five best-designed in the exhibition.
同時，他在一九七○年日本大阪博覽會所設計的中華民國館，亦被日本及美國建築雜誌選定為最佳設計的五大外國展館之一。