Don’t stop at the shores of Europe. Think of the East-
West migration pattern from Europe to the Americas and then across those continents to the Pacific shores.
I wrote a long epic poem once that proposed a theory that there is a inherent tribal instinct to follow the sun.
Of course the Polynesians are the exception that either founders the theory or proves the rule.
Get up early in the morning with the sun at your back and hours of forward movement before staring into the sun?