Bearbeitungsstand der Machbarkeitsstudie zum Erhalt von Allen sowie schon vorliegende Ergebnisse

This question asks about the current progress and initial findings of a feasibility study concerning the maintenance of 'All'. It seeks an update on the project's status and any preliminary results that have emerged. The inquiry is directed towards understanding the practicalities and outcomes of this study, potentially impacting future decisions or resource allocation related to the subject of the study.