This 'negative hand,' which researchers have dated to at least 67,800 years ago, is now the oldest known example of cave painting. The discovery fills a crucial gap in tracing the path of our species' journey to Australia via Indonesia.

A stencilled outline of a hand found on the Indonesian island of Sulawesi is the world's oldest known cave painting, researchers say.

Archaeologists say stencil painted with ochre in limestone cave on Muna Island was created at least 67,800 years ago