Home Ideas Countries Are Building Giant ‘Sand Motors’ to Protect Their Coasts From ErosionTechIdeasCountries Are Building Giant ‘Sand Motors’ to Protect Their Coasts From ErosionFebruary 10, 202417FacebookTwitterPinterestWhatsApp countries are building giant sand motors to protect their coasts from erosion As sea levels rise, engineers are using massive Dutch-inspired sand sculptures to protect shorefront settlements.Source: WIRED.com