I received registered cover from China with complete set of stamps Sights of Kashgar, issued on 9.6.2018. Kashgaris an oasis city in Xinjiang, People's Republic of China. It is one of the westernmost cities of China, near the border with Afghanistan, Kyrgyzstan, Pakistan, and Tajikistan. With a population of over 500,000, Kashgar has served as a trading post and strategically important city on the Silk Road between China, the Middle East, and Europe for over 2,000 years.
Other stamps on cover:
Tibetean Bunting, issued on 1.4.2002. Yunnan Nuthatch, issued on 1.1.2004. Greeting stamp, issued on 8.8.2013. Environmental protection, issued on 1.1.2004.