<http://schema.org/description>
"This gorgeous swimming pool isn&amp;#039;t a typical chlorine-filled watering hole--it&amp;#039;s actually a natural swimming pond that relies on plants to filter the water. (Don&amp;#039;t worry, you&amp;#039;re not swimming among the plants and stepping in squishy mud; the plant regeneration"^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/natural-swimming-ponds-ditch-the-chemicals/>