By 4000 years ago (2000 BCE) people were living pretty well distributed on all the continents of the world except for Antarctica. This includes almost all inhabitable valleys in the world.
4000
abot up to 4000 years maximum.
people dont live on the great rift valley
Yes they do.
275,000 people live in the valley
4000
Abraham lived some 4000 years ago.
4000 years
why do people preferd to live in lower valleys
21,980
200,000
They use a lot of sewter