north sea coast much of the beach the sand bar that bulges out into the sea is man made it was created in twenty eleven and designed to serve as a sand engine to counter coastal erosion. marcel stever a professor at the delft university of technology is the mastermind behind the project. the basic idea project. we wanted to make this coastal stretch over here we want wanted to make it safe for the next fifty years in the light of climate change so instead of making a. norris mint every four years so come back every four years we decided to put a large amount of sediment that would last for twenty years that would distribute itself. through natural forces along the coast so we don't have to disturb the