Archaeologists have found out the world’s oldest known cave art i.e,  a life-sized picture of a wild pig that was painted at least 45,500 years ago in Indonesia. The cave painting uncovered in South Sulawesi consists of a figurative depiction of a warty pig, a wild boar that is endemic to this Indonesian island.

The finding, published on Wednesday in the journal Science Advances, also represents some of the earliest archaeological evidence for modern humans in the region.

“The Sulawesi warty pig painting we found in the limestone cave of Leang Tedongnge is now the earliest known representational work of art in the world, as far as we are aware,” said Professor Adam Brumm from Griffith University in Australia.

"The cave is in a valley that is enclosed by steep limestone cliffs, and is only accessible by a narrow cave passage in the dry season, as the valley floor is completely flooded in the wet season," said Brumm. He noted that the isolated Bugis community living in this hidden valley claim it had never before been visited by Westerners.

The researchers noted that the Sulawesi warty pig painting, dated to at least 45,500 years ago, is part of a rock art panel located above a high ledge along the rear wall of Leang Tedongnge. "It shows a pig with a short crest of upright hairs and a pair of hornlike facial warts in front of the eyes, a characteristic feature of adult male Sulawesi warty pigs," Brumm said. "Painted using red ochre pigment, the pig appears to be observing a fight or social interaction between two other warty pigs,” he added.

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