The officer is in France. The fence guards the French end of the Chunnel from illegals trying to get to the UK. Surely all the GFYers here have heard of the Chunnel.
MAN WALKS TO FRANCE THROUGH CHUNNEL.. IN JUST HIS FLIP-FLOPS - Mirror Online
This guy did it in flip flops, but a few years ago read that like the US-Mexican border they attack in a wave hoping that the police can only grab so many.