In the run-up to the birthday the staff were busy practising and making preparations in secret so that the boss did not notice anything. At 11h sharp, the time of the fake appointment, everyone had gathered in the foyer to sing the birthday song, even as a canon. It was possible to see how well the surprise had worked out in the astonished look on Dr. Kaesler’s face. All parties involved will remember the joy of this successful surprise and the good teamwork for a long time to come.
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