<?xml version="1.0" ?>
<sdf version="1.5">
  <light type="directional" name="sun">
    <cast_shadows>true</cast_shadows>
    <pose>0 0 10 0 0 0</pose>
    <diffuse>0.8 0.8 0.8 1</diffuse>
    <specular>0.2 0.2 0.2 1</specular>
    <attenuation>
      <range>1000</range>
      <constant>0.9</constant>
      <linear>0.01</linear>
      <quadratic>0.001</quadratic>
    </attenuation>
    <direction>-0.5 0.1 -0.9</direction>
  </light>
</sdf>
