Short answers, pulled from the story.
The Tarim Basin is an endorheic basin in Xinjiang, Northwestern China occupying an area of about 530,000 square kilometers. Its northern boundary is defined by the Tian Shan mountain range and its southern boundary is marked by the Kunlun Mountains on the edge of the Tibetan Plateau.
Autosomal genetic evidence suggests that the earliest Tarim people arose from locals of primarily Ancient North Eurasian descent with significant Northeast Asian admixture. The Tarim mummies found in locations such as Loulan and the Xiaohe Tomb complex belonged to a distinct population unrelated to later Indo-European pastoralists like Afanasievo.
In 1006 the Muslim Kara-Khanid ruler Yusuf Kadir Khan of Kashgar conquered Khotan ending its existence as an independent state. Sultan Satuq Bughra Khan converted to Islam in 966 while he controlled Kashgar and directed endeavors to preach Islam among the Turks.
Xinjiang did not exist as one unit until 1884 under Qing rule when it consisted of two separate political entities of Dzungaria and the Tarim Basin. Dzungaria and the Tarim Basin were each governed separately until creation of Xinjiang province.
In 2025 China completed a 15-year infrastructure project encircling the Tarim Basin with a 750-kilovolt extra-high voltage power loop. The 4,197-kilometre network connects multiple renewable energy sources such as wind solar thermal and hydropower across five prefectures in Xinjiang Uygur Autonomous Region.