<http://schema.org/about>
"3D film \"Flight of the Butterflies,\" tells of the work of one scientist who was the first to discover where butterflies migrate to during the winter."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/butterflies-astounding-tale-revealed-in-new-3-d-movie>