Stock Photo - 23 March 2022, Hessen, Niederdorfelden: A siren is mounted on the roof of the Jakob Burkhardt House in the center of Niederdorfelden, over which a passenger aircraft is flying. Hesse is making concentrated preparations for the nationwide warning day in September. In addition to the further development of the warning apps, the focus is on the modernization and construction of new sirens and, in the state, the introduction of a new disaster control alarm system via mobile communications using SMS. There are currently around 4500 sirens in Hesse. (to dpa: ""Preparations for Warning Day: Modernization of Siren Locations"") Photo: Arne Dedert/dpa. - Niederdorfelden/Hessen/Germany

Stock Photo: 23 March 2022, Hessen, Niederdorfelden: A siren is mounted on the roof of the Jakob Burkhardt House in the center of Niederdorfelden.

Searchable keywords

Choose multiple keywords