These sites concern genocide and torture, dictatorships or the First World War.
Among the three nomination files submitted to the Heritage Committee meeting in Riyadh, the UN experts decided to include in the list the former mechanics school of the Argentine Navy (ESMA), which is now a museum of memory in Argentina after it was between 1976 and 1983, during the last military dictatorship, a secret detention and torture center in which more than 5,<> people were killed or missing.
The Argentine authorities considered the museum as "material testimony of human rights violations, condemnation, proof and testimony of acts of terrorism committed" during the dictatorship.
UNESCO on Wednesday will consider two other nominations for memorial sites, one for four memorials in Rwanda to the Tutsi genocide that killed more than a million people between April and July 1994.
In Murambi, the ex-FAR collected between 45,50 and <>,<> Tutsis under the pretext of ensuring their security, and then killed them.
In Bissiero, "Tutsi gathered in hills and forests to resist", but 50,<> of them ended up being exterminated, Rwandan Culture Minister Jean Damaskin Bizimana said.
In Jesusu, more than 300,<> victims from the capital and its vicinity were buried.
World War I cemeteries
The UNESCO committee is also considering on Wednesday the inclusion of 139 World War I cemeteries in France and Belgium on the World Heritage List.
France's Minister of State for Veterans' Affairs, Patricia Miralles, said due respect for the dead "comes in response to the brutality of war by giving the dead soldiers an identity and recognizing their sacrifices."