🇷🇺 Russia · Kurgan
Novosvobodnaya (Maïkop Dolmens)
Early Bronze Age; Late Maikop → Novosvobodnaya → Dolmen culture · Maikop → Novosvobodnaya (dolmen phase) → Yamnaya fringe
Late Maïkop–Novosvobodnaya dolmen kurgans (3300–2600 BCE) under kurgan mounds — 5 m slab dolmen with Mesopotamian cylinder seal, bridging Maïkop elite to Yamnaya.