NEW YORK: Handprints on cave walls in a largely unexplored area of Indonesia may be the oldest rock art studied so far, dating back to at least 67,800 years ago. The tan-colored prints analysed by Indonesian and Australian researchers on the island of Sulawesi were made by blowing pigment over hands placed against the cave walls, leaving an outline. Some of the fingertips were also tweaked to look more pointed. This prehistoric art form suggests the Indonesian island was home to a flourishing