At the heart of this discovery was the Caucasus-Lower Volga (CLV) population, who lived between 4500 and 3500 BCE in the region between the northern Caucasus and the southern Volga River.
A Ukrainian drone hit an industrial facility overnight in Russia's Volga river region of Chuvashia, some 1,300 km (800 miles) from the border with Ukraine, the regional governor said on Sunday.