A "Nao" humanoid robot by Aldebaran Robotics sits in a corner while its batteries are being charged during a presentation at a branch of the Bank of Tokyo-Mitsubishi UFJ (MUFG) in Tokyo in this April 13, 2015 file photo. [Photo/Agencies]
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.