<http://schema.org/thumbnailUrl>
<https://images.curbly.com/De4EuLv0iJqKbp42z4UNjDlCeCs=/2000x800/smart/http://assets.curbly.com/photos/0000/0015/1124/a-firepit1_large.jpg>
<http://www.curbly.com/users/thedirtyloft/posts/11095-easy-affordable-diy-firepit>