<?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'>
      <link name='link'>
        <inertial>
          <mass>1</mass>
          <inertia>
            <ixx>0.166667</ixx>
            <ixy>0</ixy>
            <ixz>0</ixz>
            <iyy>0.166667</iyy>
            <iyz>0</iyz>
            <izz>0.166667</izz>
          </inertia>
        </inertial>
        <collision name='collision'>
          <geometry>
            <box>
              <size>1 1 1</size>
            </box>
          </geometry>
        </collision>
        <visual name='visual'>
          <geometry>
            <box>
              <size>1 1 1</size>
            </box>
          </geometry>
          <material>
            <script>
              <name>Gazebo/Grey</name>
              <uri>file://media/materials/scripts/gazebo.material</uri>
            </script>
          </material>
        </visual>
      </link>
    </model>
  </world>
</sdf>
