Complex sentence: The Marion swimming Centre is one of Adelaide's (Australia) most visited and popular public pools, the center contains 2 childrens pools, a 1.5 meter deep pool and 1 Olympic pool, commonly used for local swimming carnivals and races.
Split into simpler sentences: The Marion swimming Centre is one of Adelaide's (Australia) most visited and popular public pools. The centre contains two children's pools, a 1.5 meter deep pool and an Olympic pool, commonly used for local swimming carnivals and races.