A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable swimming and associated activities. Pools can be built into the ground or bu
Backyard swimming pool
Olympic-size swimming pool and starting blocks at Melbourne Sports and Aquatic Centre used for the 2006 Commonwealth Games in Melbourne, Australia
Ancient Roman baths in Bath, England
Swimming pool at Lyndhurst estate in Tarrytown, New York, United States, constructed in 1911 (photo c. 1920). Known as "Helen's Bath," it was built by the estate owner, prominent philanthropist Helen Miller Shepard (in the boat), who opened it to the public. The pool had full-time lifeguards (shown in the photo); swimming instructions were provided to local boys and girls (young girls, especially, had little opportunity to learn to swim at the time).
A hot tub is a large tub full of water used for hydrotherapy, relaxation or pleasure. Some have powerful jets for massage purposes. Hot tubs are sometimes also known as "spas" or by the trade name Jac
Swimming pool
…and universities often have pools for physical education classes, recreational activities, leisure, and competitive athletics such as swimming teams. Hot tubs and spas are small heated pools used for relaxation or hydrotherapy. Specialised pools are also used for diving, water sports, and physical therapy…
A 5-seat hot tub with a cast acrylic shell, supported by a frame structure, showing vents for water circulation and massage
Wooden hot tub on a trailer, Finland
Bathers enjoying a hot tub in the winter in Keystone, Colorado