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      <real_time>78 117453597</real_time>
      <wall_time>1566817888 295848233</wall_time>
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      </model>
      <model name='ground_plane'>
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        <scale>1 1 1</scale>
        <link name='link'>
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          <velocity>0 0 0 0 -0 0</velocity>
          <acceleration>0 0 0 0 -0 0</acceleration>
          <wrench>0 0 0 0 -0 0</wrench>
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      </model>
      <light name='sun'>
        <pose frame=''>0 0 10 0 -0 0</pose>
      </light>
    </state>
    <gui fullscreen='0'>
      <camera name='user_camera'>
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        <view_controller>orbit</view_controller>
        <projection_type>perspective</projection_type>
      </camera>
    </gui>
  </world>
</sdf>
