<http://schema.org/description>
"A good puzzle is part problem-solving and part magic. In the following quiz, we test your knowledge of some of the world&amp;#039;s most mystifying 3-D puzzles. Are you ready to get stumped?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://entertainment.howstuffworks.com/puzzles/3d-puzzle-quiz21.htm>