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Astronaut Steve Bowen works on the International Space Station's star- board Solar Alpha Rotary Joint during the third spacewalk of the miss- ion in this view from NASA TV Nov. 22, 2008. Inside the station, the crew continues to transfer equipment between the two spacecraft as ground experts troubleshoot an issue with the station's new Urine Processor Assembly (UPA), part of the system designed to process urine, rspiration and hygiene water into drinkable water.(Xinhua/Reuters Photo) |