Koos Groen, coauthor of the book Dijken (Dikes), said: “If the complete population of Switzerland were to choose to take a year - long holiday abroad, upon their return, their land would still be there.
Raamatu „Dijken ” (Tammid) kaasautor Koos Groen ütleb:„ Kui kogu Šveitsi rahvas peaks otsustama veeta aastakese puhkust välismaal, oleks nende tagasi tulles maa ikka alles.