A customer purchases at the Bakti China-Kazakhstan border trade center in Tacheng, northwest China's Xinjiang Uygur Autonomous Region, Aug. 15, 2019. Since the trade center came into play on June 18, the market has received 89,000 visits as of Aug. 15, with total trade volume reaching 25 million yuan (about 3.6 million U.S. dollars). (Xinhua/Sadat)