The inner wall is almost featureless, sloping smoothly down to the rugged and irregular interior.

They live in the rugged interiors of northeastern Palawan.

Settlement of this region happened late, owing to most settlers' preference for coastal lands rather than the rugged interior.

The island's only town, Avalon, clusters around the bay below stunning mountains that separate it from the rugged interior.

Soon they were winging across the rugged interior.

The region's rugged interior has also become one of the main training areas for New Zealand's defence force, which maintain three bases in the region.

The arid rugged interior is peppered with fragrant trees and flowers.

The landscape varies from gently sloping bajadas to steep, rugged interiors.

The war on Samar, however, would not truly be over until the rugged interior was conquered.

The interior, mountainous and rugged, is the source of the region's best cheeses.