The history of Scandinavia is the history of the geographical region of Scandinavia and its peoples. The region is in northern Europe, and consists of Denmark, Norway, and Sweden. Finland and Iceland are at times, especially in English-speaking contexts, considered part of Scandinavia. The history of Scandinavia is the history of the geographical region of Scandinavia and its peoples. The region is in northern Europe, and consists of Denmark, Norway, and Sweden. Finland and Iceland are at times, especially in English-speaking contexts, considered part of Scandinavia. Little evidence remains in Scandinavia of the Stone Age, the Bronze Age, or the Iron Age except limited numbers of tools created from stone, bronze, and iron, some jewelry and ornaments, and stone burial cairns. One important collection that exists, however, is a widespread and rich collection of stone drawings known as petroglyphs. As the ice receded, reindeer grazed on the flat lands of Denmark and southernmost Sweden. This was the land of the Ahrensburg culture, tribes who hunted over vast territories and lived in lavvus on the tundra. There was little forest in this region except for arctic white birch and rowan, but the taiga slowly appeared. From c. 9,000 to 6,000 BP (Middle to Late Mesolithic), Scandinavia was populated by mobile or semi-sedentary groups about whom little is known. They subsisted by hunting, fishing and gathering. Approximately 200 burial sites have been investigated in the region from this period of 3,000 years. In the 7th millennium BC, when the reindeer and their hunters had moved for northern Scandinavia, forests had been established in the land. The Maglemosian culture lived in Denmark and southern Sweden. To the north, in Norway and most of southern Sweden, lived the Fosna-Hensbacka culture, who lived mostly along the edge of the forest. The northern hunter/gatherers followed the herds and the salmon runs, moving south during the winters, moving north again during the summers. These early peoples followed cultural traditions similar to those practised throughout other regions in the far north — areas including modern Finland, Russia, and across the Bering Strait into the northernmost strip of North America. During the 6th millennium BC, southern Scandinavia was covered in temperate broadleaf and mixed forests. Fauna included aurochs, wisent, moose and red deer. The Kongemose culture was dominant in this time period. They hunted seals and fished in the rich waters. North of the Kongemose people lived other hunter-gatherers in most of southern Norway and Sweden called the Nøstvet and Lihult cultures, descendants of the Fosna and Hensbacka cultures. Near the end of the 6th millennium BC, the Kongemose culture was replaced by the Ertebølle culture in the south. During the 5th millennium BC, the Ertebølle people learned pottery from neighbouring tribes in the south, who had begun to cultivate the land and keep animals. They too started to cultivate the land, and by 3000 BC they became part of the megalithic Funnelbeaker culture. During the 4th millennium BC, these Funnelbeaker tribes expanded into Sweden up to Uppland. The Nøstvet and Lihult tribes learnt new technology from the advancing farmers (but not agriculture) and became the Pitted Ware cultures towards the end of the 4th millennium BC. These Pitted Ware tribes halted the advance of the farmers and pushed them south into southwestern Sweden, but some say that the farmers were not killed or chased away, but that they voluntarily joined the Pitted Ware culture and became part of them. At least one settlement appears to be mixed, the Alvastra pile-dwelling. It is not known what language these early Scandinavians spoke, but towards the end of the 3rd millennium BC, they were overrun by new tribes who many scholars think spoke Proto-Indo-European, the Battle-Axe culture. This new people advanced up to Uppland and the Oslofjord, and they probably provided the language that was the ancestor of the modern Scandinavian languages. They were cattle herders, and with them most of southern Scandinavia entered the Neolithic. Even though Scandinavians joined the European Bronze Age cultures fairly late through trade, Scandinavian sites present rich and well-preserved objects made of wool, wood and imported Central European bronze and gold. During this period Scandinavia gave rise to the first known advanced civilization in this area following the Nordic Stone Age. The Scandinavians adopted many central European and Mediterranean symbols at the same time that they created new styles and objects. Mycenaean Greece, the Villanovan Culture, Phoenicia and Ancient Egypt have all been identified as possible sources of influence in Scandinavian artwork from this period. The foreign influence is believed to originate with amber trade, and amber found in Mycenaean graves from this period originates from the Baltic Sea. Several petroglyphs depict ships, and the large stone formations known as stone ships indicate that shipping played an important role in the culture. Several petroglyphs depict ships which could possibly be Mediterranean.