Often, the migrants were young men who left their wives, parents and children in China when they set off. More than 20 million overseas Chinese have roots in Guangdong, including Chaoshan.

At a bus stop near the Mexican border in San Diego, California, Chinese migrants waited with a mix of anxiety and anticipation for the US Border Patrol buses that arrived several times each day.

Sydney woman Angela Xu was a university drama teacher in China for ten years before she immigrated to Australia, and she's well aware ... two-hour gathering of Chinese migrants in a studio in ...