 The residents keep their window blinds open at home in celebration of long lasting peace, but are otherwise protective of privacy.Most religious activities of Delfzijl are in the Dutch Protestant Established (Hervormde Kerk) or Reformed (Gereformeerde Kerk) churches, with notable minorities active in Catholic, Lutheran, and Baptist churches.Most of the churches in Delfzijl are joined together in local and national organizations, although they retain much of their individual character.