1.   During Santa Ana episodes, the winds blow through mountain canyons into Los Angeles and Orange County.

2.   Huge explosions echoed through the mountain canyons and thick black smoke rose over the slopes.

3.   If there is a conflict, it is likely to start here, in the mountain canyons of Kashmir.

4.   The mountain canyons still echoed with several huge explosions that threw up dense clouds of black smoke.

5.   The swift, clear streams and rivers flowing down from mountain canyons irrigate thousands of acres of orange and grapefruit orchards.

6.   The U.S. bombing campaign has lighted up the skies nearly every night, with huge explosions rocking the mountain canyons.

7.   Haq was in a mountain canyon in Taliban-held central Afghanistan when Taliban forces ambushed, surrounded and captured him.

8.   Haq was in a mountain canyon in Taliban-held central Afghanistan when Taliban forces captured him.

9.   Hundreds of al-Qaida fighters are trapped in a mountain canyon, where they have been pounded by U.S. bombers and besieged by Afghan fighters.

10.   The special operations forces are acting as spotters for U.S. planes strafing and bombing al-Qaida positions while Afghan tribal forces advance in a snowy mountain canyon.