<?xml version="1.0" ?>
<sdf version="1.7">
  <world name="default">

    <scene>
      <ambient>0.3 0.4 0.5</ambient>
      <background>0.6 0.7 0.8</background>
      <grid>true</grid>
      <shadows>true</shadows>
      <origin_visual>true</origin_visual>
      <sky>
        <time>3</time>
        <sunrise>4</sunrise>
        <sunset>21</sunset>
        <clouds>
          <speed>1.2</speed>
          <direction>1.5</direction>
          <mean_size>0.2</mean_size>
          <humidity>0.9</humidity>
          <ambient>0.1 0.2 0.3</ambient>
        </clouds>
      </sky>
    </scene>

  </world>
</sdf>
