1.   Army helicopters could not land because of the mountainous terrain and dense Jungle.

2.   The mountainous terrain rules out most forms of agriculture.

3.   ...rugged mountainous terrain.

4.   Rescue operations were hampered by the mountainous terrain.

5.   The mountainous terrain could make it slow going for the ground rescue teams.

6.   Arabs need to be fast and alert to survive in exposed desert lands, while Highlands have to be sensible and phlegmatic to cope with mountainous terrain.

7.   Bacon said U.S. officials simply did not know whether the Humvee had wandered across the border in the mountainous terrain or whether it had been ambushed on Macedonian soil.

8.   A few afternoon thunderstorms will form, especially over the mountainous terrain.