<https://properti.ch/de/#organization>
<http://schema.org/sameAs>
<https://www.youtube.com/channel/UCzxq1k5ITibE2K2z_z3YyMQ>
<https://properti.ch/de/jobs/inizia-come-agente-immobiliare-regione-chiasso-ti-20-100-f-m-d/>