Relief goods must be allowed to cross freely.
The hero of the moment in Germany is a dead but irresistibly romantic king who freely crossed the line between reality and fantasy.
Foreign travel is cherished by East Germans, and the closing of the only border they were able to cross freely had been a serious blow.
Herdsmen in both countries freely crossed the 950-kilometer border, seeking pastureland and water sources as they had for centuries.
Canada, for its part, says it will tighten surveillance of small planes and boats that cross freely between countries.
In July 2009, the checkpoint was opened to allow pedestrians to cross freely without being searched.
It was once open to the sky and people crossed from City to country freely.
The difficulty was that only the anchor persons could freely cross the Modes.
"Canadians freely cross over our borders, walking among us undetected," the national security adviser warns.
In recent weeks, the Kurdish refugees have been allowed to cross freely over this mountain road into Iran.