<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEyLzEyLzA0L2ZjLzNkcHJvamVjdGlvLmFKbS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/29cee034/d27/3d-projection-turns-baroque-church-into-a-virtual-musical-instrument-video--79440cdb0c.jpg>
<http://mashable.com/2012/03/31/3d-projection/>