<sect1 id="sect-athmospherics">
    
   
 <title>Athmospheric objects</title>
   <para>
   
  </para>

 
    
<sect2 id="sect-athmos-bkgd">
<title>Background</title>

      <para>
        
      </para>
</sect2>
   

<sect2 id="sect-athmos-sky">
<title>Sky Sphere</title>
<para>

</para>
</sect2>


<sect2 id="sect-athmos-fog">
<title>Fog</title>
<para>

</para>
</sect2>

 



<sect2 id="sect-athmos-amed">
<title>Atmospheric media</title>
<para>	

</para>
</sect2>


</sect1>
