At Olduvai, for 20 years, Mary and I had investigated and made a general survey of the overall geology.
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.
I may play some exhibition games so I don't want to quit the game of chess completely. I just decided and it's a firm decision not to play competitive chess anymore.