From BBC News:
An outbreak of piano fever has struck China, with conservative estimates suggesting 30 million Chinese children are learning the instrument and the number set to rise dramatically over the next few years.
As the sun rises through the industrial smog hanging over the southern Chinese city of Guangzhou, a factory comes to life.
Three thousand employees staff eight production lines, each equipped with high-tech machinery for precision engineering.
The company representative showing me around tells me not to photograph any of the machinery without checking with her first.