Whether in the palace gardens of Sanssouci, in the green belt of the metropolis or in your own vegetable patch – where nature thrives, people really live.

The best advice on complex questions can often be found in your own family. For example, my brother-in-law, master butcher in a generation of 300 years, knows what really belongs in a sausage. Other family members know how to make bicycle tires, solve all electrical problems, put out fires. And Dieter, also one of my brothers-in-law, is a gardener. So there is nothing to fear from powdery mildew, and it provides insights into the relationship between people and plants: Why do the deepest recesses of our brains love trees so much? And why do some contemporaries still build gravel rock gardens in front of their doors, surrounded by broken basalt cages?