How remote county became world's guitar manufacturing hub?

With a population of about 400,000, Zheng'an in Southwest China barely had any industry until 2013 and was one of the poorest counties in China.

But now it's the world's largest guitar manufacturing base, churning out more than 6 million guitars every year with a total value of 6 billion yuan.

How did it make this drastic change happen? Watch our latest video in the Claims to Fame series.