At Walhalla this could mean tunnelling " into " the steep valley walls as well as the more traditional digging downward.
32.
Marginal crevasses form from the edge of the glacier, due to the reduction in speed caused by friction of the valley walls.
33.
The many trails throughout the garden site are composed of steps, ramps, bridges and narrow, winding walkways that traverse the valley walls.
34.
These picturesque craggy heights form the parapet of High Raise's southern plateau, standing atop the valley wall and the centrepiece of many views.
35.
An earthquake-triggered mudslide from the Cedar River Valley wall destroyed a home and damaged others in the Maplewood area just east of Renton.
36.
Crop growing is difficult because of the steep valley walls, but wheat, barley, rye, and potatoes have all been grown in the past.
37.
The edges of the glacier shredded as they scraped along the valley walls, carrying tons of rock and dirt along for the ride.
38.
As C?Ro?s men return up the valley, Bl�thnat places a spell which makes the valley walls dance in front of the men's eyes.
39.
Furthermore it had strong toes with long claws, which gave that species a good ability to climb and flutter up the steep valley walls.
40.
At some points, the valley walls rise steeply almost immediately from the creek's streambanks, which made the construction of roads through those areas difficult.