সিয়াচেন হিমবাহের দৈর্ঘ্য কত ?
an area of about . The Juyan lake is one of three former terminal lakes located at the outer edges of the Heihe River ('Black River') catchment which formed a large inland delta between the Qilian and the Gobi Altay. The Heihe River is also known as the Ruo Shui (Chinese: 弱水, literally: "weak river"), also Etsin Gol or Ruo He or Ejin River. The basin's boundary is formed by the Mazong Shan mountains to the west, the Heli Shan and Longshou Shan mountains to the south, the Helan Mountains and Lang Shan ranges to the east and the Mongolian
70 kilometers