"Dutch Oosterscheldedam. This is a waterwork that can be opened or closed. It is only closed during heavy storms at high tide. It is part of the dutch deltaworks. The largest watermanagement project in the world.....
"Dutch Oosterscheldedam. This is a waterwork that can be opened or closed. It is only closed during heavy storms at high tide. It is part of the dutch deltaworks. The largest watermanagement project in the world.....