Friday, January 16, 2015

Plain of Jars ,Laos

The Plain of Jars  is a megalithic archaeological landscape in Laos. Scattered in the landscape of the Xieng Khouang plateau, Xieng Khouang, Lao PDR, are thousands of megalithic jars. These stone jars appear in clusters, ranging from a single or a few to several hundred jars at lower foothills surrounding the central plain and upland valleys.

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The Xieng Khouang Plateau is located at the northern end of the Annamese Cordillera, the principal mountain range of Indochina. Initial research of the Plain of Jars in the early 1930s claimed that the stone jars are associated with prehistoric burial practices. Excavation by Lao and Japanese archaeologists in the intervening years has supported this interpretation with the discovery of human remains, burial goods and ceramics around the stone jars. The Plain of Jars is dated to the Iron Age (500 BC to AD 500) and is one of the most important sites for studying Southeast Asian prehistory. The Plain of Jars has the potential to shed light on the relationship between increasingly complex societies and megalithic structures and provide insight into social organisation of Iron Age Southeast Asia’s communities.

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More than 90 sites are known within the province of Xieng Khouang. Each site ranges from 1 up to 400 stone jars. The jars vary in height and diameter between 1 and 3 metres and are all without exception hewn out of rock. The shape is cylindrical with the bottom always wider than the top. The stone jars are undecorated with the exception of a single jar at Site 1. This jar has a human bas-relief carved on the exterior. Parallels between this ‘frogman’ at Site 1 and the rock painting at Huashan in Guangxi, China have been drawn. The paintings, which depict large full-frontal humans with arms raised and knees bent, are dated to 500 BC - 200 AD .

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From the fact that most of the jars have lip rims, it is presumed that all stone jars supported lids, although few stone lids have been recorded; this may suggest that the bulk of lids were fashioned from perishable materials. Stone lids with animal representations have been noticed at few sites such as Ban Phakeo (Site 52). The bas-relief animals are thought to be monkeys, tigers and frogs. No in situ lid has ever been found.

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Not to be confused with stone lids are the stone discs. The stone discs have at least one flat side and are grave markers which were placed on the surface to cover or mark a burial pit. These grave markers appear more infrequently than stone jars, but are found in close proximity. Similar are stone grave markers; these stones are unworked, but have been placed intentionally to mark a grave. To the north of Xieng Khouang an extensive network of intentionally placed largely unworked stones marking elaborate burial pits and chambers are known as ‘standing stones of Huaphan’. Following the investigations by Colani, these were dated to the Bronze Age. Material associated with the stone grave markers in Xieng Khouang, however, is similar to the stone jars artefacts.

The jars lie in clusters on the lower footslopes and mountain ridges of the hills surrounding the central plateau and upland valleys. Several quarry sites have been recorded usually close to the jar sites. Five rock types are known:sandstone, granite, conglomerate, limestone and breccia.

The majority of the jars are sandstone and have been manufactured with a degree of knowledge of what materials and techniques were suitable. It is assumed that Plain of Jars' people used iron chisels to manufacture the jars, although no conclusive evidence for this exists. Regional differences in jar shape have been noted. While the differences in most cases can be attributed to choice and manipulation of rock source, form differences, such as small apertures and apertures on both ends (double holed jars) which would affect the use of the jar, have been recorded in one district only.

The cave at Site 1 is a natural limestone cave with an opening to the northwest and two man-made holes at the top of the cave. These holes are interpreted as chimneys of the crematorium. French geologist and amateur archaeologist Madeleine Colani excavated inside the cave in the early 1930s and found archaeological material to support a centralized crematorium theory. Colani also recorded and excavated at twelve Plain of Jars sites and published two volumes with her findings in 1935.

The material findings and context led her to the interpretation of the Plain of Jars as an Iron Age burial site. Inside the jars, she found embedded in black organic soil coloured glass beads, burnt teeth and bone fragments, sometimes from more than one individual. Around the stone jars, she found human bones, pottery fragments, iron and bronze objects, glass and stone beads, ceramic weights and charcoal. The bone and teeth inside the stone jars show signs of cremation, while the burials surrounding the jars yield unburnt secondary burial bones.

Legends


Lao stories and legends tell of a race of giants who inhabited the area ruled by a king called Khun Cheung, who fought a long, eventually victorious battle against his enemy. He allegedly created the jars to brew and store huge amounts of lau hai ("lau" means "alcohol", "hai" means "jar"—So "lau hai" means rice beer or rice wine in the jars) to celebrate his victory. Another local tradition states the jars were molded, using natural materials such as clay, sand, sugar, and animal products in a type of stone mix. This led the locals to believe the cave at Site 1 was actually a kiln, and that the huge jars were fired there and are not actually of stone.

Another suggested explanation for the jars' use is to collect monsoon rainwater for caravan travelers along their journey at times when rain may have been seasonal and water was not readily available on the easiest foot paths. Rainwater would then be boiled, even if stagnant, to become potable again, a practice long understood in Eastern Eurasia. The trade caravans that camped around these jars could have placed beads inside them as an offering, accompanying prayers for rain. Or the beads might simply have been unassociated lost items.

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