<https://saportareport.com/saying-good-bye-to-a-grand-old-tree/columnists/maria_saporta/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://saportareport.com/saying-good-bye-to-a-grand-old-tree/columnists/maria_saporta/>