In 2010, Oldowan flint tools were discovered at Bayraki that are 800,000–1.2 million years old. This demonstrates that early humans were present in Moldova during the early Paleolithic era. During the Neolithic stone age era, Moldova's territory was the centre of the large Cucuteni-Trypillian culture that stretched east beyond the Dniester River in Ukraine, and west up to and beyond the Carpathian Mountains in Romania. The inhabitants of this civilization, which lasted roughly from 5500 to 2750 BC, practiced agriculture, raised livestock, hunted, and made intricately designed pottery. Animals hunted during those periods were Wooly Mammoth, Wooly Rino's, Bear. This incredible civilization is the oldest known to date, even older than Sumeria.