Heavy smog blankets Zhengzhou, capital of Central China's Henan province, Oct 8, 2013. The city is seeing severe air pollution this week, with high PM 2.5 readings, which can penetrate the lungs. [Photo/Xinhua]
An unusually heavy downpour hit Durban for two days before the BRICS summit's debut on African soil, but interest for a better platform for emerging markets were still sparked at the summit.