Ogbunike Cave Is Not One Cave But Many Caves Linked Together By Tunnels Did you know? The Ogbunike caves are actually a system of many caves linked together by small tunnels and passages. Many mazes exist in it that hid Igbos away from danger during the Nigeria-Biafra War. Read The Whole Thing Related By OzoIgboNdu1 of Igbo Defender I am an Igbo prince. Onye Igbo ka m bu! View all of OzoIgboNdu1 of Igbo Defender's posts.