<http://schema.org/alternativeHeadline>
"Since 1964 the Porsche 911 has been making pulses race with its sleek lines, bubble lights, and elegant sense of scale. Our slide show highlights its design evolution."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.architecturaldigest.com/gallery/porsche-slideshow-032011?slide=1>