City-of-Arts-and-Sciences

City-of-Arts-and-Sciences, originally uploaded by loic_.

The City of Arts and Sciences Building, in Valencia, Spain, taken with a 500cm Hasselblad, 6x6, in black and white by http://www.35mm.ch, Genève, CH

Again, is this architecture or is this engineering? Simply viewed as a structure, then one would surmise that it is an engineering building and not an architectural edifice. But wait, if one looks closely of why those flairs in the structural members is curved and angled against the sun, then it could be a work of an architect and thus is architecture.

Are engineers supposed to think about that building feature? Or is the flairs in the structure is really meant for that? Then shall we say that engineering designs like these encroaches to the practice of architecture? How do you view it?