Qinghai's mountain mostly is tall and straight, steep, the knife truncates the pen to engrave the general dangerous mountain. Palatial straight thrust to blue sky. But this fills the myth Riyue somewhat to be different. Will see with one's own eyes her you to have one question - - “this will be Qinghai's mountain?”. The Riyue is not tall and straight, is far from anything” the danger “, the livelihood peak looked far is similar to two steamed buns. Smooth, moreover takes a broad view is such boundless green. Is similar to south of Yangzi River's mountain, wins by Xiu. the ???? mountain's east foothill is the bountiful Huangshui basin, the limpid river water winds windingly, Panshan circles the range; The northwest is broad Lake Qinghai; Southwest, the mountain range stretches unbroken, the prairie is boundless. Here is the area south of Yellow River to the southwest and northwest such as the places must flush, is also the Qinghai farmland and pasture watershed. This is becomes famous the Chinese and foreign Riyue.
  Riyue this is light slightly not the noticeable place, its vigorous mountain ridge line is gentle, does not have the towering mountain peak steep cliff. Burns after the solar thousands of years roasts, wind and snow innumerable time wheting, the mountain exposed red red sandy soil appears dignified and the silencing, is spacious and is lofty. Not had the date pavilion which and the month pavilion the peak antique, faces each other across a great distance dresses up it, perhaps primary process here person does not pass through the reminder, nobody will note it. But it is situated at the fort, the situation is precipitous, since the geographical position exceptionally important, has been very early, it is motherland inland leads to the northwest border region the choke point, is also the Chinese hides the people's friendly intercourse to trade the trade link. As early as in the Han Dynasty, the Riyue already becomes our country “the silk auxiliary lane” a big relay station, the Tang Dynasty is the Tang-vassal ancient road which must be taken.
  When Datang famous Zhenguan prosperous times. Emperor Taitsung of Tang, to strengthen the brotherly nationality with Turfan the close relation, decided that by imperial clan female Princess Wen Cheng, marries toward Turfan, gets married with Songzanganbu. Therefore, in the history leaves behind the fable which Emperor Taitsung of Tang “eight difficult” east Turfan wisdom wealth to approve. What but Riyue date pavilion mural main narration is precisely this “eight difficult” being in a dilemma, namely hundred Ma Juren mother and identification genuine and fake princess.
  When Princess Wen Cheng enters Tibet, the Tang Dynasty timing feudal society is most prosperous the magnificent time, but Turfan is in the slave society, after princess enters Tibet, Han Nationality's manufacture furniture, the spinning and weaving, raises silkworms, handicraft industry technology and so on wine-making, papermaking introductions, promoted Turfan society's progress and the civilization enormously. But the Riyue pavilion mural record is this phase of histories.
   Actually the Riyue is constitutes by the red shale, on the mountain red soil coherency is very big. Especially the cusp of spring and summer, the snow and ice ablation path mud, the carriages and horses pedestrians with difficulty pass. in 1951 the northwest crew followed orders when entered Tibet to pass by the Riyue, has been fed up the red clay suffering, at that time, the Riyue did not have now the such smooth asphalt road. The automobile starts climbs mountains, the wheel falls the clay, in-situ slips, only transfers motionless. The cadre soldier curls up the sleeve to excavate earth in once fills up holes in a road, everybody is called the cart which goes all out vigorously, the work song continuously, singing sound vibration in open territory mountain valley ......