"The Kumsay burial site was first discovered in 2009, and is named after the village it was found nearby, near the Ulriver in western Kazakhstan. Roughly this location. This burial site was classified as being part of the Yamnaya horizon based on the burials rites of the perople. These burials were '"pit graves" covered with an earthen mound. Just like with the Yamnaya. Furthermore, many of the people ad a supine position with flexed legs, similar to the positions seen with the Yamnaya. And the people buried here were sprinkled with red ochre, another tradition also prevalent in the Yamnaya horizon.
What is interesting about the people here was that many of them were really big, sturdy people. Aside from the general robust features and all, several of the people here were well over 190 cm, reaching up to and above 2 meters tall! "