Assertion: human's tool | /r/HasProperty | found near kenya’s lake turkana
Facets:
value: in a layer of rock
type: LOCATION
Source sentences:
text: The oldest known tools, which were found near Kenya’s Lake Turkana, predate the emergence of Homo by almost 400,000 years.
text: Found near Kenya’s Lake Turkana in a layer of rock dating to approximately 3.3 mya, during the middle of the Pliocene Epoch (5.3 million to 2.6 million years ago), the first tools—primitive hammers, anvils, and cutting tools—predate the emergence of Homo by almost 400,000 years.