Bonn often sits on a small hillock watching the last sun dip below the horizon.  Shadows cause the cold to rise from the grasses and aerate the millions of tiny Blue Bow Butterflies.  They have laid on the ground all day gorging the soft nectar of the grasses then, at dusk, their tail wings spin like propellers giving them flight.  The three flapping wing sets create a brilliant, iridescent, blue sparkling as they rise in the cold night air, twinkling blue stars drifting from