🇻🇳 Vietnam · Archaeological wonder
Truong Son
Hoabinhian 10,000–8000 BCE → Son Vi → Sa Huynh 1000 BCE–200 CE → War layer 1965–75 · Hoabinhian → Sa Huynh
Truong Son = Annamite highland caves (Hoabinhian→Sa Huynh, 10 ka–500 CE) on Hai Van crest (task-highlight).