We had a picnic in the park.

The human immunodeficiency virus destroys the immune system, causing the body to lose its ability to fight disease.

It is important to learn about the prevention and treatment of the human immunodeficiency virus.

We had a picnic in the forest park over the weekend.

We are planning to go to the national park this weekend.

The parkway is one of the best places to enjoy the beauty of nature.

We are planning to go to the national park this weekend.

The human immunodeficiency virus destroys the immune system, making the body unable to fight disease.