<http://schema.org/target>
"android-app://com.guardian/https/www.theguardian.com/travel/gallery/2009/jul/21/picture-mapping-uk-summer"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.theguardian.com/travel/gallery/2009/jul/21/picture-mapping-uk-summer?picture=350576354>