Ancient stone faces carved into the walls of a well-known limestone cave in East Timor have been discovered by a team searching for fossils of extinct giant rats.The team of archaeologists and palaeontologists were working in Lene Hara Cave on the northeast tip of East Timor. “Looking up from the cave floor at a colleague sitting on a ledge, my head torch shone on what seemed to be a weathered carving,” CSIRO’s Dr Ken Aplin said. “I shone the torch around and saw a whole panel of engraved prehistoric human faces on the wall of the cave. “The local landowners...