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Anthropological site in Papua New Guinea
Kilu Cave is a Paleoanthropological site located on Buka Island in the Autonomous Region of Bougainville, Papua New Guinea. Kilu Cave is located at the base of a limestone cliff, 65 m (213 ft) from the modern coastline. With evidence for human occupation dating back to 30,000 years, Kilu Cave is the earliest known site for human occupation in the Solomon Islands archipelago. The site is the oldest proof of Paleolithic people navigating the open ocean i.e. navigating without land in sight. To travel from Nissan island to Buka requires crossing of at least 60 kilometres (37 mi) of open sea. The presence of paleolithic people at Buka therefore is at the same time evidence for the oldest and the longest paleolithic sea travel known so far.
