What becomes possible when people meet in the seclusion of the Swiss mountains who hardly ever meet in their home countries? What skills and insights do they gain? In times of crisis, the book brings the focus back to hope - especially hope in young people - and shows ways in which encounters between cultures are still possible.

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The young adults themselves have their say in the book. They reveal their experiences and tell how working with the stones affects them. The dry stone walls they built will remain as a strong testimony to their collaboration for centuries to come.