31.   Unable to cope with the tedium of the Stairmaster, fitness buffs were fleeing the gym to jog and bike on mountain trails.

32.   Wendy Miller, an activities coordinator at Snowbird, Utah, was leading a small group of people on snowshoes last month along a mountain trail.

33.   We opted for the lodges and the chance to hike the mountain trails.

34.   Park officials worry about the impact on everything from popular mountain trails and ranger staffing to toilet facilities, parking lots and roads.

35.   Cross-country skiers coming off mountain trails gulped hot coffee close to the flames.

36.   Each night they walked barefoot along mountain trails, resting during the day.

37.   He sent horses up the mountain trail to bring down women and children, and searched with a flashlight throughout the night to help the Macedonian refugees to shelter.

38.   His truck turned up at the foot of a mountain trail.

39.   Hours later, hundreds of tribal fighters in small groups launched a three-pronged attack and climbed narrow mountain trails under the cover of tank fire.

40.   Hours later, small squads of tribal fighters launched an attack and advanced along mountain trails under the cover of tank fire.