#include "colors.inc"
#include "textures.inc"

camera {
  location <2, 2, -3>
  look_at <0, 0, 0>
}    


box {                 
   <-1,-1,0>,<1,1,1.3>
   hollow
   pigment {rgbt <0,0,0,1>}
   interior {
      media {
         intervals 1    // Used to specify the integer number 
                         // of intervals used to sample the ray 
                         // default is 10   
         samples 1,1    // Specifies the minimum and maximum 
                         // number of samples taken per interval. 
                         // The default values are samples 1,1. 
           
         absorption rgb<0,1,0>
      }
   }
} 

plane { y, -1.1 pigment { White }  }

light_source {
  <-10,50,-50> 
  color White
}