click for videoTracy Caldwell Dyson in ISS Cupola"This image is one of my favorites because it epitomizes the fact that: we're people, we're in a special place, we have people living in space...space was Tracy's vantage point, it was my vantage point, it's been the vantage point of several hundred people. And it's where we live. We don't just live here on the Earth. We live here and we live in the solar system - and I just love this picture that Tracy took.""Real people are doing real things - which they need to do - and they're up in space."