Around 1.8 million years ago, the first human ancestor known as Homo erectus began walking the earth. This early human was able to spread out from Africa and populate other parts of the world due to his advanced cognitive abilities and tool-making skills. One of the areas where Homo erectus is known to have settled is Indonesia, which he reached by crossing the Wallace Line – a natural boundary that separates the Indonesian archipelago from the Asian mainland.
The Wallace …