<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://avopix.com/photo/392626-atlantis-nears-touchdown-for-the-final-time-on-runway-15-at-the-shuttle-landing-facility-at-nasa-s-kennedy-space-center-in-florida-21-july-2011-original-from-nasa"><span style="font-size: 12px;color:black;">“Atlantis nears touchdown for the final time on Runway 15 at the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, 21 July 2011. Original from NASA.”</span> </a>由 <a href="https://avopix.com/author/photos/nasa-source"><span style="font-size: 12px;color:black;">NASA (Source)</span></a> 授权许可 <span><a href="https://creativecommons.org/publicdomain/zero/1.0/deed.zh" target="_blank" style="font-size: 12px;color:black;">CC0 1.0 Universal Public Domain Dedication<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>