**EDS: NOTE GRAPHIC CONTENT--FILE-** The body of a man, who survivors say was a primary school teacher, lies beneath a blackboard drawing of Africa in a classroom at a school in Karubamba, some 27 miles northeast of the Rwandan capital of Kigali, in this May 13, 1994 file photo. At least 500,000 people were killed in the genocide in Rwanda, 13 years ago. (AP Photo/Jean-Marc Bouju, file)