They fly on seven different sets of papers that make moving through every border, be it Jordanian, Israeli or Tajik, a tough task.

CNN: An American soccer star playing for Palestine

Croatian troops have been moving to the border region, and Eastern Slavonian Serb soldiers are deploying to face what they see as a threat.

CNN: Tensions rise as Croat troops mass on border

The movie star and businessman recently fled his native France in a high-profile protest against government plans for a tax hike on the rich, moving just across the border to the town of Nechin, Belgium.

CNN: STORY HIGHLIGHTS