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var r_text = new Array ();
r_text[0] = "In the USA, dry stone walls are especially common in the bluegrass region of central Kentucky where they are usually referred to as 'rock fences'.";
r_text[1] = "Dry stone wall construction was known to Bantu tribes in southeastern Africa as early at 1350 to 1500 AD.";
r_text[2] = "In 15th century Peru, the Inca people tamed otherwise unusable slopes with dry stone walling to create terraces. Many of the junctions are so perfect that not even a knife fits between the stones.";
r_text[3] = "Some dry-stone wall constructions in Europe have been dated back to the Neolithic Age. Many Cornish hedges are believed to date from as early as 4000 B.C.";
r_text[4] = "Many of the dry stone walls that exist today in Scotland can be dated to the 14th century or earlier when they were built to divide fields and retain livestock.";
r_text[5] = "Our craft remains in high demand - both for the heritage value of a wall, and the fact that stone boundaries last a lot longer than any fence!";
r_text[6] = "Selection of the correct stone for every position in a wall makes an enormous difference to the lifetime of the finished product, and a skilled waller will take time making the selection.";
r_text[7] = "Different world regions have their own wall construction methods; sometimes because of variations in stone type, but also to create a look that is distinctive for each area.";
r_text[8] = "The early walls of the rocky uplands in Britain began during prehistoric times with the transition from a nomadic life to one of settled farming.";
r_text[9] = "Dry stone walls are increasingly prevalent in the USA. The technique was first brought there partly by Scots-Irish immigrants.";
r_text[10] = "Many walls in England's Lake District were built later than other enclosures in the country due to raids across the border from Scotland until the Union of 1603.";
r_text[11] = "In County Mayo, Ireland, an entire field system made from dry-stone walls, since covered in peat, has recently been carbon-dated to 3800 B.C.";
var i = Math.floor(12*Math.random())
document.write('' + r_text[i] + '</span>');
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