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.
Koos Groen, rekan penulis untuk buku Dijken (Tanggul), mengatakan, ” Jika semua penduduk Swiss ingin berlibur panjang ke luar negeri, negeri mereka akan tetap ada sewaktu mereka kembali.