A primary school teacher gives a class to her students in a makeshift classroom in Ulugqat county, northwest China's Xinjiang Uygur Autonomous Region, October 13, 2008. Life and work are returning to normal in the quake-hit areas after a 6.8-magnitude earthquake shook Ulugqat county in Xinjiang, on October 5, 2008, causing no casualties but 721 collapsed houses. [Xinhua]