sphere {
   <0, 0, 0>, 1
   pigment { color rgb <1, 1, 0> }
}

sphere {
   <1, 1, 0>, 0.25
   pigment { color rgb <0.2, 1, 0.2> }
}

sphere {
   <0.5, -.5, -1>, 0.3
   pigment { color rgb <1, 0.6, 0> }
}

light_source { <50, 50, -50> color rgb <1, 1, 1> }

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