That’s right, fashion models rapelling down the world’s tallest skyscraper.
Not down the entire building, mind you; but 154ft is still 154ft, and much more vertical than your typical catwalk.
(Also: not that you were going to argue against the building technically being the world’s tallest or not, but supposing for the moment that you were, there’s this:
I thought you should know.)
(Reuters: “Models Use Tallest Skyscraper for Vertical Catwalk” [local version] [September 24, 2004]; CBC/CP: “Architects name Taipei 101 skyscraper the world’s tallest building” [October 10, 2004])