WCAX38 分钟
Muddy footprints suggest where 2 species of early humans met 1.5 million years ago
Researchers say the footprints were left in the mud by two different species, perhaps within a matter of hours or days.
Africanews English on MSN26 分钟
Muddy footprints reveal early human neighbors in Kenya
The footprints were left in the mud by two different species “within a matter of hours, or at most days,” said ...