<http://schema.org/description>
"Pollen is nearly everywhere on the planet -- except the polar ice caps and at extremely high elevations. That makes it almost impossible to escape. You can, however, limit your exposure by following these tips."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/diseases-conditions/allergies/outdoor-allergies/pollen-and-allergies.htm>