A shopper pushes a trolley as logos of shops are seen on a wall at a shopping centre in Lenasia, south of Johannesburg, August 28, 2013. When Wal-Mart Stores, the world's top retailer, bought control ... more 
A shopper pushes a trolley as logos of shops are seen on a wall at a shopping centre in Lenasia, south of Johannesburg, August 28, 2013. When Wal-Mart Stores, the world's top retailer, bought control of major South African discount chain Massmart Holdings in 2011, American shopping mall developer Irwin Barkan had an epiphany. An industry veteran of 30 years, Barkan's U.S. home market was "greying", while the youthful, underdeveloped African continent offered a sweet spot, with a rapidly expanding middle class and no competition from online retailers. Picture taken August 28, 2013. To match Analysis AFRICA-MALLS/ REUTERS/Siphiwe Sibeko (SOUTH AFRICA - Tags: BUSINESS LOGO SOCIETY) less 
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Reuters | Photo By SIPHIWE SIBEKO / REUTERS
Fri, Aug 30, 2013 5:23 AM EDT