Photo taken on Dec. 1, 2018 by a drone shows an international duty free mall in Sanya, south China's Hainan Province. Effective on Saturday, China's Hainan Province raised its annual tax-free shopping quota to 30,000 yuan (about 4,300 U.S. dollars) per year from the current 16,000 yuan for travelers, without limit on the number of purchases, according to a joint statement from the Ministry of Finance (MOF) and China's customs and taxation authorities. (Xinhua/Yang Gaunyu)