Also, in Europe, a type of human appeared that was intermediate between "Homo erectus" and "Homo sapiens", sometimes summarized under archaic "Homo sapiens", typified by such fossils as those found at Swanscombe, Steinheim, Tautavel, and Vertesszollos ("Homo palaeohungaricus"). The hand-axe tradition originates in the same period. The intermediate may have been "Homo heidelbergensis", held responsible for the manufacture of improved "Mode 2" Acheulean tool types, in Africa, after 600,000 years ago. Flakes and axes coexisted in Europe, sometimes at the same site. The axe tradition, however, spread to a different range in the east. It appears in Arabia and India, but more importantly, it does not appear in southeast Asia.