the zeelandbrug deltaworks in holland at the oosterschelde river to protect holland form high sea level, this is near the dutch

barrage barrier blocking bridge coastline control current dam dawn delta deltawork disaster dutch ebb energy europe flood floodcontrol flowing holland jans meer neeltje netherlands ocean oosterschelde oosterscheldekering pillar poles protection sea sky storm stormvloedkering summer surge technology tide unique water watermanagement wave waves wind windmill windy works zeeland