The opera House: a temple to Australian-ness

What makes you look forward to going home at night-time? Is it the thought of the view from your back deck? Or the simple pleasure of cooking in your well-designed kitchen? According to philosopher and author, Alain de Botton, it's not uncommon for the places we live and work to feature so prominently in our consciousness - and our sub-conscious. His new book, The Architecture of Happiness, looks at how profoundly the buildings around us can affect us.