<http://schema.org/contentUrl>
<https://www.nypl.org/events/programs/2013/05/06/open-lab-one-one-computer-help?pref=node_type_search%2Fevent_class>
<https://www.nypl.org/events/programs/2013/05/06/open-lab-one-one-computer-help?pref=node_type_search%2Fevent_class>