<https://tutorialforlinux.com/2021/04/09/how-to-install-libtiff4-libtiff4-dev-on-ubuntu-21-04/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tutorialforlinux.com/2021/04/09/how-to-install-libtiff4-libtiff4-dev-on-ubuntu-21-04/>