People try to keep warm as temperatures drop to -4 C amid heavy wind in Beijing on Nov 27, 2013. A strong cold front swept across central and eastern China on Wednesday, bringing strong winds and temperatures down by 10 degrees Celsius, the National Meteorological Center said. Temperatures in some regions along the middle and lower reaches of the Yangtze River are expected to fall to freezing on Friday. [Photo by Wei Xiaohao/China Daily]