<http://schema.org/description>
"Antioch, California, a city in Contra Costa County. It lies near the mouths of the Sacramento and San Joaquin rivers, about 40 miles (64 km) northeast of San Francisco."^^<http://www.w3.org/2001/XMLSchema#string>
<http://geography.howstuffworks.com/united-states/geography-of-antioch-california.htm>