Letter A - An astronaut captured this image of Utah's Green River doubling back on itself, a feature known as Bowknot Bend from the International Space Station on January 22, 2014. (Photo provided to China News Service)
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Letter A - An astronaut captured this image of Utah's Green River doubling back on itself, a feature known as Bowknot Bend from the International Space Station on January 22, 2014. (Photo provided to China News Service)
