28.gexf

<gexf version="1.1" xmlns="http://www.gexf.net/1.1draft" xmlns:viz="http://www.gexf.net/1.1draft/viz" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3.org/2001/XMLSchema-instance">
  <graph defaultedgetype="directed" mode="static">
    <nodes>
      <node id="GD1184772" label="China" />
      <node id="GD4193576" label="Qinghai" />
      <node id="GD5321881" label="Shandong" />
      <node id="GD2055944" label="US" />
    </nodes>
    <edges />
  </graph>
</gexf>