Superb.

“this spectacular chandelier is made from 500 butterfly-shaped blue cesium photovoltaic cells, which in turn self-powers a large, hand-blown glass bulb in the center.”

Full story at
http://www.treehugger.com/files/2011/05/biomimicry-chandelier-photovoltaic-butterflies-jeroen-verhoeven.php?campaign=daily_nl