(Foto VLIZ/VUB/Testerep) The final report of the four-year FWO project Testerep reveals a surprisingly rich history of the Belgian coastline. Where the North Sea now ripples, there once stretched a dynamic landscape of sandy islands, tidal channels, mudflats, and salt marshes, comparable to today’s Wadden Sea. The island of Testerep, once situated between Nieuwpoort and Ostend, formed a crucial link in that ancient barrier-island system. Researchers from the VUB, VLIZ, and KU