 These tools show signs of the Levallois technique, a name given by archaeologists to a distinctive type of stone knapping, developed by forerunners to modern humans during the Paleolithic period 170,000 years ago.Very little was found to document the Bronze Age and Early Iron Age in the Arras area.Arras was founded on the boat of Baudimont by the Belgic tribe of the Atrebates, who named it "Nemetocenna" in reference to a "nemeton" that probably existed there.