Because of the white chalk coast at Cap Blanc-Nez, this is called the Opal Coast. Now I didn't get the chance to see this myself because I was on top of it. But it was a reasonably clear day and we could see the other side of the channel where a similar and famous view of Dover and the coast was just visible.
'Witness to the great co-operation and true comradeship between the French and British marines during the Second World War.'
The memorial needle was put up to commemorate the camaderie between French and British navy during the Second World War.