Ancient CivilizationsBlood Channel Temple Reveals 6,000-year-old Sacrifice Rituals Posted on August 6, 2025 by Administrator Archaeologists have unearthed a 6,000-year-old temple complex in eastern Turkey featuring a sinister “blood channel” and altar stone bearing knife marks, providing the first direct evidence of human and animal sacrifice rituals in the region during the Late Chalcolithic and Early Bronze Ages.