Crystal Pool (PVT) Ltd. Sangabo Mawatha, Anuradhapura 0716552500 crystalpool.lk Warm tubs is often added inside of or exterior swimming pools, and may even intersect swimming pools if necessary. To create a spa: Considered one of the most important developments in outdoor design today is installing a decorative concrete pool https://gettydirectory.com/listings311693/about-swimming-pool-construction