Cro-Magnon
Housing

Cro-Magnon cave sites quite often feature distinct spatial organisation, with certain areas specifically designated for specific activities, such as hearth areas, kitchens, butchering grounds, sleeping grounds, and trash pile. It is difficult to tell if all material from a site was deposited at about the same time, or if the site was used multiple times. Cro-Magnons are thought to have been quite mobile, indicated by the great lengths of trade routes, and such a lifestyle was likely supported by the constructions of temporary shelters in open environments, such as huts. Evidence of huts is typically associated with a hearth.

Magdalenian peoples, especially, are thought to have been highly migratory, following herds while repopulating Europe, and several cave and open-air sites indicate the area was abandoned and revisited regularly. The 19,000 year old Peyre Blanque site, France, and at least the 260 km (100 sq mi) area around it may have been revisited for thousands of years. In the Magdalenian, stone lined rectangular areas typically 6–15 m (65–161 sq ft) were interpreted as having been the foundations or flooring of huts. At Magdalenian Pincevent, France, small, circular dwellings were speculated to have existed based on the spacing of stone tools and bones; these sometimes featured an indoor hearth, work area, or sleeping space (but not all at the same time). A 23,000 year old hut from the Israeli Ohalo II was identified as having used grasses as flooring or possibly bedding, but it is unclear if Cro-Magnons also lined their huts with grass or instead used animal pelts. A 13,800 year old slab from Molí del Salt, Spain, has 7 dome-shaped figures engraved onto it, which are postulated to represent temporary dome-shaped huts.

Over 70 dwellings constructed by Cro-Magnons out of mammoth bones have been identified, primarily from the Russian Plain, possibly semi-permanent hunting camps. They seem to have built tipis and yarangas. These were typically constructed following the LGM after 22,000 years ago by Epi-Gravettian peoples; the earliest hut identified comes from the Molodova I site, Ukraine, which was dated to 44,000 years ago (making it possible it was built by Neanderthals). Typically, these huts measured 5 m (16 ft) in diameter, or 4 m × 6 m (13 ft × 20 ft) if oval shaped. Huts could get as small as 3 m × 2 m (9.8 ft × 6.6 ft). One of the largest huts has a diameter of 12.5 m (41 ft) – a 25,000 year old hut identified in Kostenki, Russia – and was constructed out of 64 mammoth skulls, but given the little evidence of occupation, this is postulated to have been used for food storage rather than as a living space. Some huts have burned bones, which has typically been interpreted as bones used as fuel for fireplaces due to the scarcity of firewood, and/or disposal of waste. A few huts, however, have evidence of wood burning, or mixed wood/bone burning.

Mammoth hut foundations were generally made by pushing a great quantity of mammoth skulls into the ground (most commonly, though not always, with the tusks facing up to possibly be used as further supports), and the walls by putting into the ground vertically shoulder blades, pelvises, long bones, jaws, and the spine. Long bones were often used as poles, commonly placed on the end of another long bone or in the cavity of where tusk used to be. Foundation may have extended as far as 40 cm (16 in) underground. Generally, multiple huts were built in a locality, placed 1–20 m (3–70 ft) apart depending on location. Tusks may have been used to make entrances, skins pulled over for roofing, and the interior sealed up by loess dug out of pits. Some architectural decisions seem to have been purely for aesthetics, best seen in the 4 Epi-Gravettian huts from Mezhyrich, Mezine, Ukraine, where jaws were stacked to create a chevron or zigzag pattern in 2 huts, and long bones were stacked to create horizontal or vertical lines in respectively 1 and 2 huts. The chevron was a commonly used symbol on the Russian Plain, painted or engraved on bones, tools, figurines, and mammoth skulls.
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