Logo of <a href="https://en.wikipedia.org/wiki/Guangfo_Metro" class="extiw" title="en:Guangfo Metro">Guangfo Metro</a>
Guangfo Metro Co., Ltd.
2016
Own work  using: <a rel="nofollow" class="external text" href="http://www.guangfometro.cn/Pages/Common/FileDownLoad.ashx?n=%E5%B9%BF%E4%BD%9B%E5%85%AC%E5%8F%B82015%E5%B9%B4%E5%B9%B4%E6%8A%A5&amp;p=/AttachmentUploadFiles/201605251509149131/20160525150914913.pdf">广佛地铁2015年年报</a> extracted Vector graphics from pdf