This private 4-day tour will let you explore Kuqa and Kashgar, two old towns in Xinjiang. The attractions include Kizil Grottoes, Tianshan Grand Canyon in Kuqa, Subash Ruin, Kuqa old town, Kashgar old town and Kashgar Bazaar etc. Detailed trip information, please view What To Expect. Here is the briefing. D1. Met in your Urumqi hotel and transferred to Urumqi airport where you will catch 1.5-hour flight to Kuqa.D2. Visit Kizil Grottos and Tianshan Grand Canyon in Kuqa. D3. City tour in Kuqa before catching overnight train to Kashagr.D4. Kashar city tour. The tour concludes at Kashgar hotel. We offer a free Kashgar airport transfer for next day if you need it.