A swimming pool is a large, artificial container filled with water, used for swimming, diving, or other recreational activities. Swimming pools are typically constructed either above ground or in-ground, and are made of a variety of materials such as concrete, fiberglass, or vinyl. They can be found in public parks, hotels, recreational centers, private homes, and many other places. Swimming pools come in various sizes, shapes, and depths, and can be used for exercise, relaxation, or competition. They can be heated or unheated and can be equipped with various features such as slides, diving boards, waterfalls, and hot tubs. Swimming pools are a popular leisure activity for many people, providing a fun and healthy way to cool off and exercise.