Helicopters practice maneuvers in Beijing, Aug 25, 2013. The Luhang acrobatic flight team will perform at the second China Helicopter Expo in Tianjin in September. China's newest attack helicopters will show stunts at the expo. [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.