<http://schema.org/description>
"A long-lasting &amp;quot;tropical&amp;quot; lake of liquid methane on Saturn's moon Titan may be replenished by underground wells of hydrocarbons, U.S. astronomers report."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2012/06/13/Tropical-lake-possible-on-Saturn-moon/UPI-39381339625474/>