<https://www.futuria.io/post/what-could-the-submarine-of-the-future-look-like-why-do-we-care>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.futuria.io/post/what-could-the-submarine-of-the-future-look-like-why-do-we-care>