<http://schema.org/url>
<http://www.wsj.com/video/lakeside-living-in-the-luxury-boathouse/D314CECB-408D-4B9A-9E05-1E9C2E1163E2.html>
<http://www.mansionglobal.com/cn/articles/7874-lakeside-living-in-the-luxury-boathouse>