The recommended 16-day tourism route in Xinjiang is as follows:**
Panoramic Grand Circuit of Northern and Southern Xinjiang
From Day 1 to Day 8: In-depth exploration of Northern Xinjiang.
Day 1: Airport pick-up, check in to Urumqi, and prepare for the upcoming trip.
Day 2: Depart from Urumqi and head to Tianshan Tianchi, feeling the grandeur of the snowy mountains, then proceed to Burqin.
Day 3: Depart from Burqin and visit Kanas Lake, admiring the lake scenery and mountain views, staying overnight in Kanas.
Day 4: Depart from Kanas and head to Hemu Village, experiencing the customs of primitive villages.
Day 5: Depart from Hemu Village and visit Colorful Beach, then proceed to Urho or Burqin.
Day 6: Visit the魔鬼城 (Ghost City) and feel the awesome power of nature, then proceed to Kuitun.
Day 7: Depart from Kuitun and head to Sayram Lake, enjoying the lake scenery and snowy landscapes, staying overnight in Yining or near Sayram Lake.
Day 8: Visit the Yizhao Highway or Duku Highway, heading to Nalati Grassland, feeling the vastness and grandeur of the grassland.
From Day 9 to Day 16: A journey exploring the cultural customs of Southern Xinjiang.
Day 9: Depart from Nalati and visit Bayanbulak Grassland, admiring the beautiful grassland scenery.
Day 10: Head to the Mysterious Tianshan Grand Canyon or Kuqa Grand Canyon, exploring the mysteries of nature.
Day 11: Depart from Kuqa to visit the Wensu Grand Canyon or Dolan Tribe, experiencing different landform customs.
Day 12: Head to Kashgar, with the option to visit the Desert Highway along the way, experiencing the desolation and grandeur of Southern Xinjiang.
Day 13: Depart from Kashgar to visit attractions such as Karakul Lake and Baisha Lake, enjoying the plateau scenery.
Day 14: Head to Taxkorgan County and visit the Panlong Ancient Road, experiencing the winding and magnificent mountain roads.
Day 15: Depart from Taxkorgan County and return to Kashgar, enjoying the scenery along the way again.
Day 16: End the trip in Kashgar. Depending on your return arrangements, you can choose to return to Urumqi or other cities by train or plane.
This route covers the major attractions of both Northern and Southern Xinjiang, featuring both the grandeur of natural scenery and the profoundness of cultural customs. It is an excellent choice for a 16-day tour of Xinjiang. Of course, the specific itinerary can be adjusted appropriately according to personal interests and time.