Archaeologists warn cave paintings on the Indonesian island of Sulawesi, believed to be the world's oldest, are decaying at a rapid pace because of salt erosion likely caused by climate change.
Cave paintings on the Indonesian island of Sulawesi, believed to be the world's oldest, are decaying at a rapid pace because of salt erosion likely caused by climate change, archaeologists warn.
"The impact is very severe and will destroy the paintings," Basran Burhan, an archaeologist from Australia's Griffith University, said. Warming temperatures and the increasing severity of El Niño events has helped speed up salt crystallisation in the cave, effectively "exfoliating" the painting, according to a study by Australian and Indonesian archaeologists
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