A customer waits for his tea on the balcony of Ostang Boi Teahouse in Kashgar, northwest China's Xinjiang Uygur Autonomous Region, Feb. 23, 2017. People in Kashgar have been drinking tea since more than a thousand years ago, thanks to the city's important position on the ancient Silk Road, through which merchants traded tea and other goods between China, Middle East and Europe. (Xinhua/Zhao Ge)