A yurt (from the Turkic languages) or ger (Mongolian) is a portable, round tent covered and insulated with skins or felt and traditionally used as a dwelling by several distinct Nomad in the Eurasian Steppe and Tian Shan of Inner Asia. The structure consists of a flexible angled assembly or latticework of wood or bamboo for walls, a door frame, ribs (poles, rafters), and a wheel (crown, compression ring) possibly steam-bent as a roof. The roof structure is sometimes self-supporting, but large yurts may have interior posts or columns supporting the crown. The top of the wall of self-supporting yurts is prevented from spreading by means of a tension band which opposes the force of the roof ribs. Yurts take between 30 minutes and three hours to set up or take down, and are generally used by between five and 15 people. Nomadic farming with yurts as housing has been the primary way of life in Central Asia, particularly Mongolia, for thousands of years.
Modern yurts may be permanently built on a wooden or concrete platform; they may use modern materials such as metal framing, plastics, plexiglass dome, or Radiant barrier.
The frame consists of one or more expanding Latticework wall-sections, a door frame, bent roof poles, and a crown. The Mongolian ger has one or more columns to support the crown and straight roof poles. The (self-supporting) wood frame is covered with pieces of felt. Depending on availability, felt is additionally covered with canvas and/or sun covers. The frame is held together with one or more ropes or ribbons. The structure is kept under compression by the weight of the covers, sometimes supplemented by a heavy weight hung from the center of the roof. They vary in size and relative weight. They provide a large amount of insulation and protection from the outside cold of winters, and they are easily changed to keep the yurts cool for summertime.
A yurt is designed to be dismantled and the parts are carried compactly on Bactrian camel or Yak to be rebuilt on another site. Complete construction takes around 2 hours.
Traditional Mongol yurts often feature a four-lobed 'cloud collar' motif derived from the Chinese yunjian. This pattern, cut from fabric and placed around the apex of the yurt, is thought to symbolise a "sky gate" to the heavens, and it frames the opening created by the smoke hole in the tent's roof.
Repeating geometric patterns are also widely used, like the continuous hammer or walking pattern (alkhan khee). Commonly used as a border decoration, it represents unending strength and constant movement. Another common pattern is the ulzii, a symbol of long life and happiness. The khamar ugalz (nose pattern) and ever ugalz (horn pattern) are derived from the shape of the animal's nose and horns, and are the oldest traditional patterns. All patterns can be found among not only the yurts themselves, but also on embroidery, furniture, books, clothing, doors, and other objects.
In Kyrgyz felted rug manufacturing the most common patterns are the Ala kiyiz and Shyrdak. Ornaments are visualising good wishes or blessings of the makers to a daughter who gets married, to children, or grandchildren.
Today a yurt is seen as a national symbol among many Central Asian groups, and as such, yurts may be used as cafés (especially those specializing in traditional food), museums (especially those relating to national culture), and souvenir shops. In celebration of the city of Mary's year as Cultural Capital of the Turkic peoples, the government of Turkmenistan constructed a yurt-shaped structure, called Ak Öýi (White Building) and described as "The World's Largest Yurt", of concrete, granite, aluminum, and glass. Established on November 27, 2015, the structure is 35 meters high and 70 meters in diameter. According to the Turkmenistan state news agency, "A white yurt is a symbol of an age-old, distinctive historical-cultural legacy, a sign of preservation of our roots and origins." This three-story structure includes a café, offices, and VIP apartments ,as well as a large auditorium with 3,000 seats.
In Canada and the United States, yurts are often made using hi-tech materials. They can be highly engineered and built for extreme weather conditions. In addition, erecting one can take days and it may not be intended to be frequently moved. Such North American yurts are better thought of as yurt derivations, as they are no longer round felt homes that are easy to mount, dismount, and transport. North American yurts and yurt derivations were pioneered by William Coperthwaite in the 1960s, after he was inspired to build them by a National Geographic article about Supreme Court Justice William O. Douglas's visit to Mongolia. In 1978, American company Pacific Yurts became the first to manufacture yurts using architectural fabrics and structural engineering, paving the way for yurts to become popular attractions at ski resorts and campgrounds. Yurts are also popular in Northern Canada. In 1993, Oregon became the first state to incorporate yurts into its Parks Department as year-round camping facilities. Since then, at least 17 other US States have introduced yurt camping into their own parks departments.
In Europe, a closer approximation to the Mongolian and Central Asian yurt is in production in several countries. These tents use local hardwood, and often are made for a wetter climate with steeper roof profiles and waterproof canvas. In essence they are yurts, but some lack the felt cover and ornate features across the exterior that is present in traditional yurt. There are UK-made yurts that feature a metal frame in use in at least two glamping sites in Somerset and Dorset.
The palloza is a traditional building found in the Serra dos Ancares in Galicia (NW Spain). Pallozas have stone walls and a conical roof made of stalks of rye.
Different groups and individuals use yurts for a variety of purposes, from full-time housing to school rooms. In some provincial parks in Canada, and state parks in several US states, permanent yurts are available for camping.
Since the late 1920s the German youth and Scouting movements have adapted a variant of the yurt and the Sami Lavvu (Kohte), calling them Schwarzzelt (black tent), a term mainly used for tents from North Africa.
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