They contacted Facebook, which at the time dominated the social media landscape, asking for help scouring uploaded family photos - to see if Lucy was in any of them. But Facebook, despite having facial recognition technology, said it "did not have the tools" to help.
This was Collins's last flight. She tells us that she always planned to stop after her fourth mission - to give others a chance to go to space.
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第五条 中央和地方基层群众自治指导监督部门负责指导和监督城市基层群众自治工作。