<http://schema.org/target>
"android-app://com.guardian/https/www.theguardian.com/environment/gallery/2009/mar/24/catlin-arctic-survey-arctic"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.theguardian.com/environment/gallery/2009/mar/24/catlin-arctic-survey-arctic?picture=344981586>