<https://stad.gent/id/blank_node/04b99346-cd32-421f-a1c3-ccdcb45e5438> <http://www.cidoc-crm.org/cidoc-crm/P3_has_note> <https://apidg.gent.be/opendata/adlib2eventstream/v1/stam/ondergrond> . <https://stad.gent/id/blank_node/23dccef0-bd54-4995-adf7-83c96b79cea6> <http://www.cidoc-crm.org/cidoc-crm/P3_has_note> <https://apidg.gent.be/opendata/adlib2eventstream/v1/stam/ondergrond> .