The copter safely whirled its way up and back down, demonstrating the first powered, controlled flight on another planet. http://dlvr.it/Ry06ZR
The copter safely whirled its way up and back down, demonstrating the first powered, controlled flight on another planet.
http://dlvr.it/Ry06ZR
http://dlvr.it/Ry06ZR
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