Japanese Tunnels in WW2 in East New Britain Province of Papua New Guinea
About 300 to 500 kilometers of Japanese tunnels in WW2 surrounding Rabaul Habour remains till to date. These tunnels were dug into the volcanic soil around the Gazelle Peninsula and the caldera wall surrounding Rabaul Harbour. The prime purpose of these tunnels were to hide and protect the Japanese and their materials from Allied air-raids. …
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