<http://schema.org/description>
"Google Image Search is now missing a neat and useful feature, to search by the exact image size.  It is useful when you are looking for an image of an exact height and width. It is not available under"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-image-exact-image-size-15923.html>