Recommended 18-day tourism route in Xinjiang as follows:**
From Day 1 to Day 18:
Day 1: Airport pickup in Urumqi, free activities on the arrival day. You can visit the Xinjiang Museum to learn about the history and culture of Xinjiang; stroll around the International Bazaar to feel the local customs
Day 2: Depart from Urumqi, head to the S21 Desert Highway, admire the spectacular desert scenery, and then arrive at Colorful Beach and Burqin
Day 3: Depart from Burqin, head to Kanas and Hemu Scenic Areas, and admire the primitive forest, grassland, and Kazak customs
Day 4: Depart from Hemu, head to Ghost City to admire the spectacular Yadan landform, and then arrive in Karamay
Day 5: Depart from Karamay, head to Sayram Lake and Guozigou, visit the beautiful Sayram Lake, and then head to Lavender Manor
Day 6: Visit the magical Bagua City Tekes and feel the charm of ancient culture
Day 7: Depart from Tekes, head to Nalati Grassland, and feel the vastness of the grassland
Day 8: Depart from Nalati, pass through the middle section of the Duku Highway, and explore Bayinbrook Grassland
Day 9: Depart from Bayinbrook, visit the Mysterious Grand Canyon, and admire the fantastical world of stone pillars and peaks
Day 10: Head to Kuqa王府, Da Nang City, and the Old Town, and then drive to Bachu County
Day 11: Depart from Bachu, take a one-day tour in Kashgar City, and visit Id Kah Mosque and Kashgar Old Town
Day 12: Depart from Kashgar, visit Baisha Lake, Karakul Lake, and Muztagh Glacier, and then arrive in Tashkurgan
Day 13: Depart from Tajik Autonomous County, and visit attractions such as Stone City and Dragon Spiral Road
Day 14: Depart from Kashgar, head to Yarkant County, Yarkand Khan Palace or Zepu Golden Populus Forest, and then arrive in Hotan City
Day 15: Depart from Hotan, cross the Desert Highway, and head to the 359th Brigade Cultural Tourism Area and Alar
Day 16: Depart from Alar to Korla, enjoying the magnificent Populus euphratica forest along the way
Day 17: Return to Urumqi, passing through Turpan, and head to Grape Valley to taste fresh and delicious grapes
Day 18: Group解散 in Urumqi, ending the wonderful journey of Xinjiang
This route covers various natural landscapes of Xinjiang, including grasslands, lakes, deserts, glaciers, and more, as well as rich historical culture and ethnic customs, offering an all-round in-depth tour of Xinjiang.