Major areas to be protected from flooding are identified these are called "dyke ring areas" because they are protected by a ring of primary sea defences.
These are called "dyke ring areas" because they are protected by a ring of primary sea defences. Major areas to be protected from flooding are identified.
Major areas to be protected from flooding are identified. These are called "dyke ring areas" because they are protected by a ring of primary sea defences.
Major areas to be protected from flooding are identified. These are called "dyke ring areas" because they are protected by a ring of primary sea defences.