Under water lighting is another type of lighting which is mainly used either for decoration purposes, or for underwater explorations and related tasks. In swimming pools, which are very deep, provisions are made for under water lights for the safety of the swimmers.
In Ponds, Fountains, etc. the underwater lighting is done in order to decorate the interior and also to entertain the people. There are many fountain shows held, eg: One in an Indian Temple, in which Under water lighting plays a crucial role in creating the various effects in water. Various lights dancing in water can really create excellent forms of images, like Fire, Heaven, Hell, in water and keep the public glued.