There were conditions to return prisoners and dismantle border fortifications.

Tensions grew, with both sides moving to strengthen border fortifications in anticipation of war.

Greek border fortifications had been adapted for the terrain and a formidable defence system covered the few available roads.

The border fortifications were progressively torn down and eventually abandoned in the months following its opening.

After the border fortifications were dismantled, a section was rebuilt for a formal ceremony.

It was a major border fortification in the Middle Ages.

IR58 continued the attack and reached the end of border fortifications July 12.

Bunkers built in this phase, starting in 1938, were more strongly constructed than the earlier border fortifications.

As border fortifications developed into permanent barriers, purpose-built obstacles became standard.

Until the late 1960s the border fortifications were constructed almost up to the actual border line.