<https://www.worldatlas.com/articles/why-is-the-sumatran-tiger-on-the-brink-of-extinction.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.worldatlas.com/articles/why-is-the-sumatran-tiger-on-the-brink-of-extinction.html>