Here are his comments:
I have photos of the four phases of construction outline in the Wikipedia article. Here are the original building, the Jade Phoenix (Ch'ui Feng Ting) -- both photographed in 1962 -- and the Chi Lin Pavillion, which I shot in 1965.
Finally, here's one of the current out-sized building taken in 1975. When that was finished in '73, a Chinese commentator quipped that they now needed to build a higher mountain behind it in order to restore a sense of perspective.