<http://schema.org/caption>
"Storing excess energy could help base supply power plants meet spikes in demand (Image: &lt;a href=\"http://picasaweb.google.com/lh/photo/5Ao7CYZaDcHRbqeGf2pxAA\" target=\"_blank\"&gt;0x6612390&lt;/a&gt;)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/energy-storage-system-to-meet-peak-demand/16013/>