<https://secure.gravatar.com/avatar/7d03c89d2d561602dab63ee926afa5e9?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.ncespro.com/how-fit-and-healthy-in-quarantine-self-isolation/>