11.   The mountains are the most arresting feature of the glen.

12.   These mountains are much higher than any in Europe.

13.   We had always lived in a healthy country, where the mountains were high and the water was cold and clear.

14.   The mountains are five miles inland.

15.   The mountains are impassable.

16.   The low mountains were a patchwork of green and brown.

17.   The mountain was clearly visible in the distance.

18.   These mountains are a playground for hikers, skiers, and nature lovers.

19.   The mountains were a formidable barrier.

20.   Those mountains are in Mexican territory.