text: A pork vendor looks at a mobile phone at the Dancun Market where price-controlled pork are sold in Nanning, Guangxi province, China, on Monday, Sept. 16, 2019. A protracted U.S. trade war, protests in Hong Kong, soaring food prices and the slowest economic growth in decades are among the many problems facing Chinese President Xi Jinping as he prepares to celebrate 70 years of Communist Party rule. Photographer: Qilai Shen/Bloomberg