<http://schema.org/description>
"Karelian Isthmus, a strip of land about 90 miles (145 km) long and up to 70 miles (110 km) wide, lying between the Gulf of Finland and the western shore of Lake Ladoga, in Russia."^^<http://www.w3.org/2001/XMLSchema#string>
<http://geography.howstuffworks.com/europe/the-karelian-isthmus.htm>