The east side of the mountains produce a rain shadow, creating an extremely arid environment.

It is an extremely arid region characterized by basin and range topography.

In extremely arid conditions, it may occur as a small, wiry bush.

Because of the extremely arid conditions, snowfall is rare, despite the cold winters.

A few types of trees are also able to survive the extremely arid climate.

The climate is characterized by hot days and cool nights with extremely arid conditions prevailing throughout the summer months.

The climate is extremely arid and known for very high summer temperatures.

Under extremely arid conditions, irrigation takes the place of rainfall.

They even occur in extremely arid areas, with less than 100 mm annual rainfall.

This extremely arid and rocky area of land supports a large "dry tropical forest."