Theory is one thing

Practice is another:

A leading French architect said there was a growing culture of "speed and performance" in the allocation of prestige building projects, and warned against the pressure to use cutting edge techniques that had yet to be proved. "The (terminal) was like a performance, at the very outer limit of the material. Everything was calculated and taken into account. But in this outer limit all you need is a piece of metal in the wrong place or a bad lot of concrete -- no-one can protect himself against that," said Paul Chemetov.