<https://data.flachau.com/api/v4/universal/df092822-9cb7-4b27-9b21-3edd40bc94b1>
<https://www.w3.org/2009/08/skos-reference/skos.html#broader>
<https://www.flachau.com/dc/detail/Veranstaltung/willkommenswanderung-6>