Although the Europe-wide Open Monument Day, always on the second Sunday in September, was cancelled this year due to Corona, the Monument Association had nevertheless opened its Mayor Stroof House on this day under the official motto - sustainability: "Chance Denkmal: Erinnern. Preserve. Rethinking!". The Mayor Stroof House is a prime example of this. On this occasion, a corresponding "paper" was prepared, which you can read here.