A museum in Zhoukou, Central China's Henan province, is shrouded by heavy smog, Oct 8, 2013. The bigger temperature difference caused an inversion layer in atmosphere and led to pollution being trapped close to the ground. [Photo/CFP]

People wade through floodwater in Wenling, East China's Zhejiang province, Oct 8, 2013. Typhoon Fitow has affected the lives of 4.56 million people in East China's Zhejiang and Fujian provinces, the State Flood Control and Drought Relief Headquarters said on Monday. [Photo/CFP]A