Architect for the ages Norman Foster looks to the Past,Present and Future of Building Design.Now, he's arguably responsible for more of the world's instantly recognizable buildingsthan any other architect.Certainly here in London and around Europe,but what drives the designs of Norman Foster and what does he make of today's age of architectureis part of this month's Spirit of Architecture program.Becky Anderson sits down with the master designer.He may be based in London, but his appeal and attitude4 is truly international.I caught up with Lord Norman Foster in Barcelonaand began by asking him what the purpose of architecture is.Since man came out of the cave, (he) needed to be protected from the elements,and then it becomes apparent that the quality of that environment affects the quality of your life,so the other dimension. In that sense,it's about society; it's about civilization; it's about a social agenda.It also is about symbolism. It's about the things that you can't measure.How do you measure the quality of the light, a view, sunshine?When you look at a building,what makes you feel happy and what makes you feel angry?What makes me feel good is when the environment,
