چین محدودیت های مسافرتی را برای شهروندانی که تهدیدی برای امنیت ملی محسوب می شوند اعمال می کند

China Imposes Travel Curbs On Citizens Deemed Threats To National Security

Chinese are generally free to travel, unlike during the height of the Cold War when few were able to venture overseas, but the government has long kept close watch on the travel plans of those it considers could present a security risk.