Piezometre.06512X0037.STREMY.2.gml:
    URL: 
        http://ressource.brgm-rec.fr/data/Piezometre/06512X0037/STREMY.2
    or
        https://wfspoc.brgm-rec.fr/geoserver/ows?service=wfs&version=2.0.0&request=GetFeature&StoredQuery_ID=GetEnvironmentalMonitoringFacilityById&ID=Piezometre.06512X0037.STREMY.2

    BRGM. content from our Groundwater Information Network (GIN): piezometers (INSPIRE EF) and associated WaterML2 TimeSeries

EUReg.example.gml:
    URL:
        http://cdrtest.eionet.europa.eu/help/ied_registry/documents/Example%20XML/EUReg.example.gml

    Fake data. EU Registry on Industrial Sites, http://cdrtest.eionet.europa.eu/help/ied_registry
    new data flow combining ePRTR and IED industrial sites data; first reporting, March 2018
    Extension of INSPIRE PF