Liquid architecture. It's like jazz - you improvise, you work together, you play off each other, you make something, they make something. And I think it's a way of - for me, it's a way of trying to understand the city, and what might happen in the city.
Aviation - and space travel, in particular - have always been especially captivating.
People have to understand how important it is for the players to let off steam, switch off and relax.