Warning systems are built in the Belgian Quarter of Cologne
Cologne - For twelve seconds at 12:50 on a Sunday noon, the three sirens on the lightning warning system from Cologne wailed, driving the last golfers into the shelter of specially secured huts. The first of the 81 participants in the golf tournament at the Köhlerhof in Bad Neuenahr-Ahrweiler had already sought safe places when the "tube", as the inventors say", showed yellow light. At red, even the last ones knew.