 Unlike the ex-concentration camps at Auschwitz Birkenau, the Rwanda site include human remains and the tools and weapons used in their destruction.The upstairs floor the centre includes three permanent exhibitions, the largest of which documents the genocide in 1994, helping to give Rwanda’s nightmare a historical context.There is a children’s memorial, with life-sized photos, accompanied by intimate details about their favorite toys, their last words and the manner in which they were killed.