<https://czech-glass-school.cz/wp-content/uploads/2018/09/trestikova-kresba3.jpg#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://czech-glass-school.cz/osobnosti/mga-sona-trestikova/trestikova-kresba3/>