2007, travels alongside the intermittent Hotan River, and which takes about 5 or 6 hours. This same bus then goes on to Urumchi taking a total of about 21 hours from Hotan. Economy , there was about 100,000 acres (662,334 mu) of cultivated land in Khotan. Nephrite jade Chinese historical sources indicate that Hotan was the main source of the nephrite jade used in ancient China. For several hundred years, until they were defeated by the Xiongnu in 176 BCE, the trade of Khotanese jade into China was controlled by the nomadic Yuezhi. The Chinese still refer to the Yurungkash as the White Jade River, alluding to the white jade recovered from its alluvial deposits. The light-colored jade is called "Mutton fat" jade. Most of the jade is now gone, with only a few kilos of good quality jade found yearly. Some is still mined in the Kunlun Mountains to the south in the summer, but it is generally of poorer quality than that found in the rivers. Fabrics and carpets Khotanese textiles were mentioned by Xuanzang, who visited the oasis in 644 CE. In his Biography it is stated: "It produced carpets and fine felt, and the felt-makers also spun coarse and fine silk." Ancient Chinese-Khotanese relations were so close that the oasis emerged as one of the earliest centres of silk manufacture outside China. There are good reasons to believe that the silk-producing industry flourished in Hotan as early as the 5th century. According to one story, a Chinese princess given in marriage to a Khotan prince brought to the oasis the secret of silk-manufacture, "hiding silkworms in her hair as part of her dowry", probably in the first half of the 1st century CE. It was from Khotan that the eggs of silkworms were smuggled to Iran, reaching Justinian I's Constantinople in 551.Silk production is still a major industry employing more than a thousand workers and producing some 150 million metres of silk annually. Silk weaving by Uyghur women is a thriving cottage industry, some of it produced using traditional methods. Hotan Silk Factory is one of the notable silk producers in Hotan. Atlas is the fabric used for traditional Uyghur clothing worn by Uyghur women. It is soft, light and graceful tie-dyed silk fabric. It comes various colors, the brighter and rich colors are for small children to young ladies. The gray and dark colors are