The local people are purchasing food in a supermarket in Ningxia's capital city Yinchuan, August 13. Ningxia's consumer price index (CPI) in July increased 7.7 percent from a year earlier, above from the national 6.5-percent increase and June's 7.3-percent increase, according to the figures from Ningxia branch of the National Bureau of Statistics. [Photo: Xinhua]