<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://www.behance.net/gallery/47397101/TED-Ed-How-Small-We-Are-in-the-Scale-of-the-Universe"><span style="font-size: 12px;color:black;">“FULL ANIMATIONCOLOR BOARDS”</span> </a>由 <a href="https://www.behance.net/Doralice"><span style="font-size: 12px;color:black;">Yukai Du</span></a> 授权许可 <span><a href="https://creativecommons.org/licenses/by-nc-nd/4.0/deed.zh" target="_blank" style="font-size: 12px;color:black;">Attribution-NoDerivs-NonCommercial 4.0 International<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>