<http://schema.org/description>
"Steel-framed skyscrapers are common sights in any city skyline these days. But someone had to be the first to build up, up, up. Find out where this architectural standard was born."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/engineering/structural/first-steel-framed-skyscraper2.htm>