31. The rugged mountain plateau is crosscut by gorges and river valleys running westwards. 32. Kukes sits in a valley ringed by rugged mountains , many topped by snow. 33. Many of the dead were victims of years of deforestation in these rugged mountains . 34. The search continues in South Korea's rugged mountains along the east coast. 35. Past British sweeps have been for shorter durations and took place in rugged mountains . 36. The district is tucked in the rugged mountains where Taliban are suspected of hiding. 37. The interior features rugged mountains of volcanic origin. 38. Areas suited for development were confined to valleys beyond these low but rugged mountains . 39. Sutherland has many rugged mountains such as Ben Hope, the most northerly Munro. 40. The Trail offers glimpses of rugged mountain slopes that attracted and challenged early settlers.