The Tianshan Mountains stretch east-west across China, Kazakhstan, Kyrgyzstan, and Uzbekistan?
, with a total length of about 2,500 kilometers?
Specifically, the part of the Tianshan Mountains within China is mainly located in Xinjiang, known as Xinjiang Tianshan or East Tianshan, stretching over 1,700 kilometers (there is also a claim of 1,760 kilometers), accounting for more than three-quarters of the total length of the Tianshan Mountains?
. They extend west from the Kizi Valley in Wuqia County (there is also a claim that they start west of Urumqi in Xinjiang) to east of Xingxingxia in Hami City?
. In addition, the Tianshan Mountains are, on average, about 250-350 kilometers wide from north to south, with the widest point exceeding 800 kilometers and an average altitude of over 4,000 meters?
The Tianshan Mountains are not only a huge international mountain range but also a unique geographical symbol of Xinjiang, serving as the natural geographical boundary between the Junggar Basin and the Tarim Basin?