<http://schema.org/description>
"Why do children don ridiculous costumes and bang down doors demanding candy once a year? Let&amp;#039;s take a look at the ancient Celtic clans of Britain."^^<http://www.w3.org/2001/XMLSchema#string>
<http://people.howstuffworks.com/culture-traditions/holidays-halloween/why-we-trick-or-treat2.htm>