<?xml version="1.0" ?>
<sdf version="1.5">
  <world name="default">
    <!-- A global light source -->
    <include>
      <uri>model://sun</uri>
    </include>
    <!-- A ground plane -->
    <include>
      <uri>model://ground_plane</uri>
    </include>
    <!-- A unit box -->
    <model name='box'>
      <static>true</static>
      <pose>-10 -20 -30 0 0 0</pose>
      <link name='link'>
        <collision name='collision'>
          <geometry>
            <box>
              <size>1 1 1</size>
            </box>
          </geometry>
        </collision>
      </link>
    </model>
  </world>
</sdf>
