KFC is one of the world's largest restaurant chains, with more than 29,000 locations and a new outlet opening every three and a half hours, according to Yum! Brands.But while much of the brand's early success came from the U.S., today the majority of its growth is in China.KFC China recently celebrated the opening of its 10,000th store in the city of Hangzhou, about an hour outside of Shanghai. By comparison the U.S. has a little over 4,300 KFC locations.Known in China for more than just chicken, a typical ...