<https://mlearn-faqs.smp.org/faq-items/how-to-change-the-instructor-in-a-section/#primaryimage>
<http://schema.org/height>
"1094"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://mlearn-faqs.smp.org/faq-items/how-to-change-the-instructor-in-a-section/>