Basically....the blue is birth and red dot is death and the line is the migration that connects the two.
How Cultures Move Across Continents : Goats and Soda : NPR
And sorry I saw this article...
i went to the price is right travelling show when it was in town a couple weeks back and a 40 something jovial big haired big breasted tank of a gal from Surrey had a shirt that read "Hole in one" and an arrow pointing downwards and on the back it said "or two" ... again with the arrow pointed down
she was lovely
1) I really want to ride on that road
2) Cyclist could have passed him easily
That gives new meaning to "Share the Road".