<scene>
  <graphs>
    <pathnodes file="intro_inside_pathnodes.pathnodes.xml" name="inside"/> 
  </graphs>
  <fog type="Linear">
    <density exp="0" linear_start="70000" linear_end="120000"/>
    <color r="40" g="70" b="220"/>
  </fog>
  <ambient red="255" green="255" blue="255" alpha="255"/>
  <skybox name="intro_sky"/>
<scene/>
