<https://www.henshaws.org.uk/shop/knowledge-village-apps/seeing-ai-product-mode-video/#primaryimage>
<http://schema.org/height>
"720"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://www.henshaws.org.uk/shop/knowledge-village-apps/seeing-ai-product-mode-video/>