This area is rich in subterranean rivers, which serve as a source of groundwater.

He was surprised to hear the news.

All members of the uniformed group have undergone rigorous training.

He is the vice president of our company.

It takes time to solve this complex problem.

This report includes all the details.

She bought new clothes.

It took several hours to restore power after the blackout.

The Tasmanian Devil, a species unique to Australia, has a very aggressive nature.

The parasympathetic nerves help our body to relax and conserve energy.