Bildnachweis

# Herkunft Rechteinhaber Bildidentifikation Hinweis
1 https://stock.adobe.com/de/images/icons-buttons-grey-feedback/92670093 Matthias Enter #92670093 Icons Buttons grey Feedback
2 https://stock.adobe.com/de/images/latchkey/28235772 Firma V #28235772 latchkey
3 https://stock.adobe.com/de/images/wohngesundheit-bei-modell-haus-feststellen/167473398 stockpics #167473398 Wohngesundheit bei Modell-Haus feststellen
4 https://stock.adobe.com/de/images/saving-energy-and-money-concept-idea-for-save-or-investment-businessman-holding-lightbulb-besi Looker_Studio #444918927 saving energy and money concept. idea for save or
5 https://stock.adobe.com/de/images/brandschutzplan-mit-bleistift/374527024 Bettina #374527024 Brandschutzplan mit Bleistift
6 https://stock.adobe.com/de/images/sustainable-engineering-renewable-building-materials-for-construction-and-manufacturing/470911 ronstik #470911395 sustainable engineering, renewable building materials