🇺🇦 Ukraine · Kurgan
Dereivka (Sredny Stog / Dereivka site)
Eneolithic Chalcolithic; Sredny Stog · Dnieper-Donets → Sredny Stog → Yamnaya
Sredny Stog river village and cemetery (4500–3500 BCE) with Telegin settlement, copper awls and famed Dereivka stallion bit-wear controversy — Yamnaya forerunner.