Many prehistoric relics were discovered at Hoang An Lake
Hoang An reservoir project (Ia Phin commune, Chu Prong district, Gia Lai province) was built in the early years after liberation and was repaired in 2011.The relics in the volcanic cave have bones of prehistoric people in Dak Nong
The exploration hole discovered 10 people, including 3 complete remains including 2 adults, a 4-year-old child.