article_snippet.sent: This enabled hominins (stock image shown) - our distant ancestors - to move to new regions .
article_snippet.sent: But simple Oldowan tools were not able to migrate to this region until conditions improved.
article_snippet.sent: This ‘possibly impeded the settlement of this region by the early hominin population from the southern Caucasus,’ simple Oldowan tools wrote.
highlights_snippet.sent: This enabled hominins - our distant ancestors - to move to new regions .