That's me in the picture: Robert Curbeam performs a spacewalk over New Zealand, 12 December 2006

'It's amazing how much you can recognise: big cities like London and Paris; the beautiful Amazon rainforest; sandstorms 50 miles wide' This STS-116 space shuttle mission to the International Space Station in 2006 was my last before I retired. I got to do seven spacewalks in my entire career. In the picture, I'm out on the end of the truss, attached by a retracting wire that you have to constantly check isn't tangling. The object by my left leg is a remote camera. There are cameras all over the o...