ARTICLE: China's Export of Labor Faces Scorn, By EDWARD WONG, Washington Post, December 20, 2009

Very common trick by the Chinese: promise infrastructure development, import all the labor, and then leave them behind!

Chinese do this regularly throughout Africa, and naturally, as this article cites, there is growing blowback.

A big problem: the recipient nation is left with an unintegrated Chinese village left behind. The Chinese do not mix well, but stay very enclaved, unlike--say--the Indians across Africa.