plane { <0,1,0>, 0  hollow // normal vector, distance to zero ----

        texture{ pigment{ color rgb<0.35,0.60, 0.00> }
	         normal { bumps 0.25 scale 0.05 }
                 finish { phong 1 }
               } // end of texture
        scale < 1, 1, 1>
        rotate< 0,0,-15> rotate<0,-25,0>
        translate<2,0.0,0>
      } // end of plane ------------------------------------------