The author describes two important forms of internal migration,that includes the migration between outside YRD and inside YRD,and migrations among different cities within YRD,the author analyses how the combined migration process shape and change th.

Since the late Qing Dynasty the issue on immigration from Shanhaiguan has been an important part of the study of the regional society history of China.

A summary of land acquisition and resettlement for the construction of Xiaowan Hydropower Station;