Hint: It has to do with fracking.

But the Gap retail stores are suffering from an identity crisis.

Despite its preppy image, Banana Republic began as a purveyor of modified military surplus and safari wear. The company's founders, Mel and Patricia Ziegler, had no business experience, but turned a small shop into a big brand.

Meet Master Chu Hongsheng on the first stop of our year-long series profiling the people who make their living on Changle Road, or the Street of Eternal Happiness, which bisects Shanghai.