LIMA (REUTERS).- An ancient ceremonial ground used by a Pre-Columbian civilization for human sacrifices has been uncovered on Peru’s northern coast, archaeologists said on Thursday. The discovery appears to reinforce prevailing theories about a ceremony known as “the presentation” that was carried out by the Moche people, an agricultural civilization that flourished between 100 B.C. and 800 A.D. Carlos Wester La Torre, director of the Bruning Museum in Peru and a leader of the dig, said the ceremonial site likely hosted ritual killings of prisoners of war. Photographs taken at the site show more than half a dozen skeletons on the floor of the hall. “There was a great ceremonial hall or passage integrated into the rest of the architecture that establishes the presence of certain figures of the Moche elite and also the practice of complex