It's the biggest movement of people in history. According to official estimates some 200 million people in China are migrant workers – that is about 15 per cent of the country's population. And what is more they are amongst the most vulnerable to contracting HIV/AIDS.
If the video is not displayed, download the free RealPlayer™
Date issued 15 April 2009 Size/duration 00:02:19 (7.2 MB)