Cliff Pickover 在Twitter 上:"According to the Kurgan hypothesis, the Pontic Steppe (shown here) was the homeland of the speakers of the Proto-Indo-European language and the original domesticators of the horse. https://t.co/eo2ES2FkDd
New Paper Examines Pontic Roots of Ireland
Russian regions on the map of terrestrial ecoregions of the world... | Download Scientific Diagram
5000 years of migrations from the Eurasian steppes to Europe - Eupedia
Pontic-Caspian steppe Archives | Indo-European.eu
Broad genetic variation on the Pontic-Caspian Steppe