'These ghostly images reveal the forgotten harbour built off the coast of Normandy that for six months after D-Day became the world's busiest docks. British scientists have found the remnants of Mulberry B on the Channel seabed, which allowed the Allies to land troops, vehicles and equipment on French soil without having to capture a port first. The makeshift harbour, nicknamed Port Winston because it was the brainchild of Churchill, was the size of Dover and is considered to be one of the greatest military achievements of all time. Its development was even described by Albert Speer - Hitler's architect...