 J. Hummel conducted excavations in 1930-1941 in Goygol region (Elenendorf in Soviet times) and Karabakh and unearthed important sites as Barrows I and II, as well as several unknown sites dated back to the late Bronze Age.In 2012-2013, the French-Azerbaijani archaeological expedition (named Nabialla) explored the necropolis and burial traditions belong to the Bronze-Iron Age in Lenkaran (Lerik province).During the Early Bronze Age between 3500 and 2500 BC new pottery, architectural and metallurgical traditions, new settlement types and different funerary traditions appeared.