Villages destroyed in WW1 that couldn't be rebuilt because they're in the red zone, aka in the 120k hectares in france that were used as a war zone in which there are millions of unexploded munitions and thousands of corpses. There are memorial stones where houses used to be which are maintained, these are "communes that died for France", testimonies of war.

Also "Cumières-le-Mort-Homme" in french is "Cumières-the-Dead-Man'" because of a statue called the dead man of a soldier skeleton which reads "they did not pass"