<http://schema.org/description>
"Settled in the mountainous southwest of the Fujian province, these communities are known as Tulou and are essentially fortresses built in either square or round shapes. Structures typically had only one entrance way and no windows at ground level, and a building"^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/chinese-hakka-houses-form-self-sustaining-communities/>