#include "colors.inc"
  camera {
    location <10, 30, -10>
    look_at 0
    angle 36
  }
  light_source { <1000, 500, -800> White }
//  plane { y, -1.5
//    pigment { checker Green White }
//  }

    #declare Ycount=-2
    #while (Ycount < 0)

    #declare Zcount=-10;
    #while (Zcount < 10)
    

    #declare Xcount=-10;
    #while (Xcount < 10)
      sphere { <Xcount, Ycount, Zcount>, 0.2
        #if (Ycount = -1)
          pigment { Blue }
        #else
          pigment { Red }
        #end        
      }
      #declare Xcount=Xcount+1;
    #end
    
      #declare Zcount=Zcount+1;
    #end

      #declare Ycount=Ycount+1;
    #end

    cone { <0,7,0>, 0.5, <0,2,0>, 0 
        pigment { Yellow }
    }
    
    #declare Small_Arrow = union {
      cylinder { <0,0,0>, <2,0,0>, 0.2
      }
      cone { <2,0,0>, 0.5, <3,0,0>, 0 
      }
    }
    
    object { Small_Arrow translate <1, 7, 0> 
    pigment { Green }
    }
    object { Small_Arrow translate <1, 7, 0> 
    rotate y*90
    pigment { Green }
    }
    object { Small_Arrow translate <1, 7, 0> 
    pigment { Green }
    rotate y*180
    }
    object { Small_Arrow translate <1, 7, 0> 
    pigment { Green }
    rotate y*270
    }